SDR ASAA2023022142040

Service difficulty report · Actuator · Boeing 7379

Difficulty date: February 21, 2023
Submitted: February 23, 2023
Operation: Air carrier
Aircraft: N958AK
Make and model: Boeing 7379
Aircraft serial: 44072
Aircraft time: 126 hours, 47 cycles
System (JASC): 4910 · APU Cowling/Containment
Part: Actuator
Part number: 7340753002
Part serial: 1523
Condition: Faulty
Location: Apu Air Inlet
Part time: 131 hours, 48 cycles
Stage of operation: NR
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

CREW REPORTS MAINT LIGHT ON, STATUS SHOWS APU DOOR. GROUNDED - YES. FOUND MAINT MSG 49-15218, "INLET DOOR DID NOT CLOSE." VERIFIED INLET DOOR FULLY CLOSED. MAINT LIGHT INHIBITED FOR ACTIVE MSG REF MEL SEC 1A. RELEASED PER MEL 49-11-01, APU INOP. REMOVED AND REPLACED AIR INLET DOOR ACTUATOR REF B737-9 AMM 49-15-31.

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