3. Job Set-up__________
 Subtask 53-59-00-010-050
 A. Get Access
 (1) Put the access platform below the drain pipe at FR70.
 4. Procedure_________
 (Ref. Fig. 601/TASK 53-59-00-991-001)
 Subtask 53-59-00-210-050 
R  A. Inspection Procedure 
R R R  (1) Do the operational check of the single drain pipe aft of the FR70 from the outside 
R R R R  (a) Clean the area around the drain pipe with a lint-free cotton cloth MISCELLANEOUS (Material No. 19-003) and the CLEANING AGENTS (Material No. 11-001A). 
R R R  (b) Use a PROBE - NON METALLIC, FLEXIBLE to make sure that the drain pipe is not blocked. 
R  (c) If the drain hole is blocked, you must remove the blockage.
 5. Close-up________
 Subtask 53-59-00-410-050
 A. Close Access
 (1) Make sure that the work area is clean and clear of tool(s) and other items.
 (2) Remove the access platform(s).
 (3) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

 EFF : ALL
53-59-00Page 602
Nov 01/03

 Cone-Rear Fuselage Drains
 Figure 601/TASK 53-59-00-991-001
 EFF :  ALL  53-59-00 Page 603 
Feb 01/98
 CES 

R **ON A/C 001-049, 051-099, 101-149, 221-221, 224-224, 228-228,

 TASK 53-59-00-210-002
 Operational Check of Rubber Flap Drain Valve at Bulk Cargo Compartment Door from Outside
 1. Reason for the Job
__________________
 Refer to the MPD TASK: 535900-02
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific clean cloth
 No specific access platform 2.30 m (7 ft. 7 in.)
 No specific nonmetallic probe 5.0 mm (0.1968 in.)

 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
52-30-00-860-006 Open the Bulk Cargo-Compartment Door 52-30-00-860-008 Close the Bulk Cargo-Compartment Door 53-59-00-991-002 Fig. 602
 3. Job Set-up
__________ Subtask 53-59-00-010-051
 A. Get Access
 (1)
 Put the access platform in position.

 (2)
 Open the BULK cargo-compartment door (Ref. TASK 52-30-00-860-006).

R  EFF : 001-049, 051-099, 101-149, 221-221, 53-59-00Page 604 224-224, 228-228, May 01/05
 CES  4. Procedure

_________ (Ref. Fig. 602/TASK 53-59-00-991-002) Subtask 53-59-00-280-050
 A. Specified Check Procedure
 (1)
 Clean the area around the drain hole with the clean cloth.

 (2)
 Make sure that the drain hole is not blocked.

 (3)
 If the drain hole is blocked, you must remove the blockage.

 (4)
 Carefully push a nonmetallic probe through the drain hole and make sure that the rubber flap moves freely.

 5. Close-up
________ Subtask 53-59-00-410-051
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Close the BULK cargo-compartment door (Ref. TASK 52-30-00-860-008).

 (3)
 Remove the access platform(s).

R  EFF : 001-049, 051-099, 101-149, 221-221, 53-59-00Page 605 224-224, 228-228, May 01/05
 CES

 Rubber Flap Drain Valve - Bulk Cargo Compartment Door Figure 602/TASK 53-59-00-991-002 
R  EFF : 001-049, 051-099, 101-149, 221-221, 224-224, 228-228,  53-59-00 Page 606 May 01/05