Service difficulty report · Modulating Valve · Boeing 7379

Difficulty date
May 17, 2023
Submitted
May 19, 2023
Operation
Air carrier
Aircraft
N915AK
Make and model
Boeing 7379
Aircraft serial
44080
Aircraft time
6,979 hours, 2,164 cycles
Part
Modulating Valve
Part number
632920703
Part serial
2269
Condition
Faulted
Location
#1 Engine
Part time
5,992 hours, 1,733 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

DURING WALK AROUND FOUND STATUS MSG "BLEED FAN VALVE" WITH ASSOCIATED WITH "MAINT" LIGHT ON... MAINT FAULT CODE 36-12020. GROUNDED - YES. REPLACED #1 ENG FAMV REF B737-9 AMM 36-12-03 ACCOMP.

More about the Boeing 737-9