SDR UIEA2020092852067

Service difficulty report · Unknown · Boeing 7673Y0

Difficulty date: September 25, 2020
Submitted: September 28, 2020
Operation: Air carrier
Aircraft: N1181A
Make and model: Boeing 7673Y0
Aircraft serial: 26206
Aircraft time: 88,511 hours, 22,207 cycles
System (JASC): 4900 · Airborne Auxiliary Power Unit (APU) System
Part: Unknown
Condition: Faulted
Location: Apu
Stage of operation: LD
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

APU FAULT WHEN STARTING UPON LANDING. PERFORMED APU BITE, IAW FIM 49-11 FT 958, NO MSGS NOTED OR FAULTS NOTED ON APU BOX. PERFORMED APU EXTERIOR INSPECTIONS, IAW AMM 49-21-00. NO LEAKS, CRACKS, TEARS, OR LOOSE CANNON PLUGS FOUND. PERFORMED 4 SUCCESSFUL STARTS, IAW AMM 49-61-05. WITH NO FAULTS FOUND.

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