ALL  ATG Page 801  Dec 25/8734-00-00
 XA MEL - MAINTENANCE PROCEDURE NO. 34-2 MACH/AIRSPEED INDICATORS
_____________________________________________________________ XA XA 1. _______________________________
A - ONE MACH INDICATION INOPERATIVE XA B - TWO MACH INDICATIONS INOPERATIVE
________________________________ XA A. _______
General XA XA The following procedure are applicable when (A) one MACH INDICATION is XA inoperative or (B) two MACH INDICATION are inoperative, to permit XA normal aircraft dispatchability as required by the B.747 MEL. XA XA B. _________
Procedure XA (1) (a) ONE MACH INDICATION inoperative: XA Placard affected MACH/AIRSPEED INDICATOR "MACH INOP". XA (b) TWO MACH INDICATION inoperative: XA 1) Placard affected MACH/AIRSPEED INDICATORS "MACH INOP". XA 2) Affix to each instrument panel a placard which sets forth XA "AIRPLANE ALTITUDE LIMITATION: 29,000 Ft. XA (2) Report on Flight Log Book.
 EFFECTIVITY

 
 ALL  ATG Page 802  Dec 25/8734-00-00
 XA MEL - MAINTENANCE PROCEDURE NO. 34-8 STATIC AIR TEMPERATURE
___________________________________________________________ XA INDICATOR
_________ XA XA 1. ____________________________________________
STATIC AIR TEMPERATURE INDICATOR INOPERATIVE XA A. _______
General XA XA The following procedure applicable when the STATIC AIR TEMPERATURE XA INDICATOR is inoperative, to permit normal aircraft dispatchability XA as required by the B.747 MEL. XA XA B. _________
Procedure XA (1) Placard inoperative STATIC AIR TEMPERATURE INDICATOR "INOP". XA (2) Report on Flight Log Book.
 EFFECTIVITY

 
 ALL  ATG Page 803  Dec 25/8734-00-00
 XA MEL - MAINTENANCE PROCEDURE NO. 34-9 TOTAL AIR TEMPERATURE
__________________________________________________________ XA INDICATOR
_________ XA XA 1. ___________________________________________
TOTAL AIR TEMPERATURE INDICATOR INOPERATIVE XA A. _______
General XA XA The following procedure is applicable when one static air temperature XA is operative, to permit normal aircraft dispatchability as required XA by the B.747 MEL. XA XA B. _________
Procedure XA (1) Placard affected TOTAL AIR TEMPERATURE INDICATOR (Pilot's or F/E's XA panel) "INOP". XA (2) Report on Flight Log Book.
 EFFECTIVITY

 
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 XA MEL - MAINTENANCE PROCEDURE NO. 34-11 STANDBY BANK AND PITCH
____________________________________________________________ XA INDICATOR
_________ XA XA 1. ____________________________________________
STANDBY BANK AND PITCH INDICATOR INOPERATIVE XA A. _______
General XA XA The following procedure is applicable provided a third switchable XA source of attitude reference is available to permit normal aircraft XA dispatchability as required by the B.747 MEL. XA XA B. _________
Procedure XA (1) Placard STANDBY BANK and PITCH INDICATOR "INOP". XA XA NOTE:____AIRPLANE may not depart a station where replacement can XA be made. XA
 EFFECTIVITY

 
 ALL  ATG Page 805  Dec 25/8734-00-00
 XA  MEL - MAINTENANCE PROCEDURE NO. 34-16 STABILIZED HEADING________________________________________________________
 XA  INDICATIONS___________
 XA
 XA  1.  STABILIZED HEADING INDICATIONS INOPERATIVE__________________________________________
 XA  A.  General_______
 XA
 XA  The following procedure is applicable:
 XA
 XA  (1)  For IFR condition two independently stabilized systems, operating
 XA  a compass card in each pilot's basic-"T" instrument group, are
 XA  required.  (One system shall operate the pilot's compass card, one
 XA  the Co-pilot's compass card.  Automatic slaving of one of the two
 XA  stabilized systems may be inoperative provided:
 XA  (a)  Standby magnetic compass is operative, and
 XA  (b)  At least one of the two compass cards on each pilot's panel
 XA  is driven by the slaved system, using alternate switching as
 XA  appropriate.
 XA  (2)  For VFR conditions one independently stabilized system may be
 XA  inoperative at least one compass heading is available on each
 XA  pilot's instrument panel.
 XA
 XA  NOTE:____ Due to the variety of switching methods between airlines,
 XA  it is left to each operator to provide his own particular
 XA  procedure.  Refer to table on next page for guidance.
　
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