Administrative Information
This bulletin replaces bulletin SHZ-41, dated November 16, 2004. Discard bulletin SHZ-41. Revise the Bulletin Record to show SHZ-41 as "CANCELLED" (CANC).
Insert this bulletin behind the FCOM Bulletin Record Page in Volume 1 of your FCOM. Amend the FCOM Bulletin Record Page to show Bulletin SHZ-41 R1 "IN EFFECT" (IE).
This FCOM bulletin will be revised to include Service Bulletin information when available.
Flight Crew Operations Manual Bulletin No. SHZ-41 R1, dated April 15, 2005 (continued)
Please send all correspondence regarding FCOM bulletin status to one of the
following addresses:
Mailing Address: Manager 737, Flight Technical Integration & Data Boeing Commercial Airplane Group P. O. Box 3707 MS 20-89 Seattle, WA 98124-2207 USA
Fax Number: Telex: SITA: E-MAIL: (206) 662-7812 329430 Station 627 LKEBO7X FlightTraining@Boeing.com
Flight Crew Operations Manual Bulletin No. SHZ-41 R1, dated April 15, 2005 (continued)
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Flight Crew Operations Manual Bulletin
for
The Boeing Company Seattle, Washington 98124-2207
737
Number: SHZ-43 Date: January 31, 2005 Document Effectivity:
Subject: Master Caution System Anomaly
Reason: This bulletin provides information about a Master Caution system
anomaly during the Light Test.
Information in this Flight Crew Operations Manual (FCOM) bulletin is recommended by The Boeing Company, but may not be FAA approved at the time of writing. In the event of conflict with the FAA approved Airplane Flight Manual (AFM), the AFM shall supersede. The Boeing Company regards the information or procedures described herein as having a direct or indirect bearing on the safe operation of this model airplane.
THE FOLLOWING PROCEDURE AND/OR INFORMATION IS EFFECTIVE UPON RECEIPT
Background Information
A Master Caution system anomaly has been found on 737-600/700/800/900 airplanes at Production Line Number 1640 and later. These airplanes have provisions for GLS capability and have been equipped with a new Mode Control Unit (MCU).
When the Master LIGHTS switch is moved to the TEST position during the Light Test, all system lights and system annunciators will illuminate correctly. If the Master Caution “PUSH TO RESET” is pressed and released during the test, all system annunciators on the annunciator panel will extinguish, with the exception of the IRS annunciaton, and the MASTER CAUTION light will re-illuminate. The MASTER CAUTION light and IRS light will extinguish when the Master LIGHTS switch is moved out of the TEST position.
This anomaly is present on airplane(s) YD651 - YD655. A fix is being considered for a future update of the MCU.
Flight Crew Operations Manual Bulletin No. SHZ-43, dated January 31, 2005 (continued)
Thi al i irpla A fix
Administrative Information
Insert this bulletin behind the FCOM Bulletin Record Page in Volume 1 of your FCOM. Amend the FCOM Bulletin Record Page to show Bulletin SHZ-43 "IN EFFECT" (IE).
This FCOM bulletin will be revised to include Service Bulletin information when available.
Please send all correspondence regarding FCOM bulletin status to one of the
following addresses:
Mailing Address: Manager 737, Flight Technical Integration & Data Boeing Commercial Airplane Group P. O. Box 3707 MS 20-89 Seattle, WA 98124-2207 USA
Fax Number: Telex: SITA: E-MAIL: (206) 662-7812 329430 Station 627 LKEBO7X FTID@Boeing.com
Flight Crew Operations Manual Bulletin
for
The Boeing Company Seattle, Washington 98124-2207
737
Number: SHZ-44 Date: May 02, 2005 Document Effectivity:
Subject: FMC Update 549849-015 U10.6 Prediction Errors
Reason: This bulletin informs flight crews of a potential for erroneous ETA,
RTA, fuel remaining and Mach number predictions.
Information in this Flight Crew Operations Manual (FCOM) bulletin is recommended by The Boeing Company, but may not be FAA approved at the time of writing. In the event of conflict with the FAA approved Airplane Flight Manual (AFM), the AFM shall supersede. The Boeing Company regards the information or procedures described herein as having a direct or indirect bearing on the safe operation of this model airplane.
THE FOLLOWING PROCEDURE AND/OR INFORMATION IS EFFECTIVE UPON RECEIPT
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