Service difficulty report · Valve · Boeing 7379

Difficulty date
March 21, 2023
Submitted
March 24, 2023
Operation
Air carrier
Aircraft
N918AK
Make and model
Boeing 7379
Aircraft serial
44083
Aircraft time
6,785 hours, 2,084 cycles
Part
Valve
Part number
632920704
Part serial
2858
Condition
Out Of Range
Location
#1 Engine
Part time
3,182 hours, 920 cycles
Stage of operation
IN
How discovered
V
Nature of condition
J
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

WHILE ACCOMPLISHING ASA T/C 31-005-00 FOUND MAINTENANCE MESSAGE (BLEED FAMV RVDT L) WITH CORRELATED FAULT CODE 36-12030. GROUNDED - YES. REMOVED AND REPLACED ENG #1 FAN AIR MODULATING VALVE, REF B737-9 AMM 36-12-03.

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