05-51-31
 ú  ALL  ú
 ú ú  ú 02.101 ú BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.  Page 202Sep 28/02 

A

757 MAINTENANCE MANUAL
 (37)
 AMM 30-11-02/401, Wing Thermal Anti-Ice Valve

 (38)
 AMM 30-21-03/401, Engine Inlet Thermal Anti-Ice Valve

 (39)
 AMM 34-11-01/401, Pitot-Static Probes

 (40)
 AMM 34-11-03/401, Static Probe Port

 (41)
 AMM 34-12-02/401, Total Air Temperature Probe

 (42)
 AMM 34-12-03/401, Angle-of-Attack Sensor

 (43)
 AMM 36-11-04/401, Isolation Valve

 (44)
 AMM 36-11-06/401, Air Supply Intermediate Pressure Check Valve

 (45)
 AMM 36-11-07/401, High Pressure Shutoff Valve

 (46)
 AMM 36-11-09/201, Air Supply Pressure Regulating and Shutoff Valve

 (47)
 AMM 36-11-10/401, APU Shutoff Valve

 (48)
 AMM 36-11-11/401, APU Air Supply Check Valve

 (49)
 AMM 36-11-15/601, Air Supply Precooler

 (50)
 AMM 36-11-16/401, Fan Air Modulating Valve

 (51)
 AMM 36-21-00/501, Air Supply Pressure Indicating Systems

 (52)
 AMM 38-14-01/401, Water Quantity Transmitter

 (53)
 AMM 38-15-01/401, Compressor - Potable Water Tank

 (54)
 AMM 38-15-02/401, Air Filter

 (55)
 AMM 49-15-03/601, Air Intake Plenum (APU)

 (56)
 AMM 49-15-05/401, APU Air Intake Door

 (57)
 AMM 49-15-06/401, APU Air Intake Door Actuator

 (58)
 AMM 49-21-00/601, APU Engine (Borescope)

 (59)
 AMM 49-27-03/201, Oil Pressure and Scavenge Filter Elements

 (60)
 AMM 49-27-04/201, Magnetic Chip Detectors and Drain Plug

 (61)
 AMM 49-31-04/401, Fuel Filter Element

 (62)
 AMM 49-31-08/201, Fuel Divider Filter Element

 (63)
 AMM 49-53-01/401, Surge Valve

 (64)
 AMM 49-81-01/201, APU Exhaust Duct

 (65)
 AMM 72-00-00/601, Engine - General

 C.  Airplane Leading Edge External Surfaces
 S 212-002
 (1) Examine the airplane. Look for abrasions in the areas that follow:
 (a)  
Front of the fuselage (this includes the weather radome).

 (b)  
Engine nacelles

 (c)  
Vertical Stabilizer

 (d)  
Wing

 1)  Examine the leading edge of the wing for dents. Also refer to the Structural Repair Manual to make sure the skin is at the correct thickness.

 (e)  
Windshield and Windows 1) Look for abrasion damage that will limit vision.

 D.  Engines
 S 212-003
 (1)  Examine the engines to find if the volcanic ash ingestion caused damage (AMM 72-00-00).
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 05-51-31
 ú ALL ú ú ú 04.101 Page 203 ú ú Sep 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 E. Probes and Sensors
 S 212-004
 (1)  
Examine the Pitot-Static Probes to see if volcanic ash has collected on the probes or has caused blockage (AMM 34-11-01).

 S 212-005

 (2)  
Examine the Angle-of-Attack Sensors to see if volcanic ash has collected or has caused blockage (AMM 34-12-03).

 S 212-006

 (3)  
Examine the Flush Static Probe Ports to see if volcanic ash has collected or caused blockage (AMM 34-11-03).

 S 212-007

 (4)  
Examine the Total Air Temperature Probe(s) to see if volcanic ash has collected or caused blockage (AMM 34-12-02).

 F. Air Condition System Examination
 S 212-009
 (1)  
Examine the Ram Air Inlet Doors. If volcanic ash is found, clean the doors, bearings, and movable joints, as necessary (AMM 21-53-01).

 S 212-011

 (2)  
Examine, if installed, the ram air exhaust doors. If volcanic ash is found, clean the doors, bearings, and movable joints as necessary (AMM 21-53-02).

 S 212-012

 (3)
Examine the equipment cooling Overboard Exhaust Valve for signs of volcanic ash on the external surface. If ash is found on the external surface of the valve, remove the ash (AMM 21-58-05).
　
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