SDR ASAA2023092345255

Service difficulty report · Unknown · Boeing 7379

Difficulty date: September 23, 2023
Submitted: September 25, 2023
Operation: Air carrier
Aircraft: N921AK
Make and model: Boeing 7379
Aircraft serial: 43337
Aircraft time: 7,392 hours, 2,139 cycles
System (JASC): 4900 · Airborne Auxiliary Power Unit (APU) System
Part: Unknown
Part number: UNKNOWN
Condition: Unknown
Location: Unknown
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

MAINT LIGHT ILLUMINATED. GROUNDED - YES. MDS STATUS INDICATES APU OIL QUANTITY. OMF INDICATES 49-94304. PER IFIM 49-94304, LATCHED MESSAGE ERASED AND DOES NOT RE-POPULATE DURING APU OPERATION AND ECU RESTART. INSPECTED OIL QUANTITY, FINDING WITHIN LIMITS (OIL SERVICED ON L/P 60441292). ETOPS GROUND VERIFICATION SUCCESSFUL, SEAMC NOTIFIED.

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