SDR UIEA2021011300046

Service difficulty report · Starter · Boeing 7673Y0

Difficulty date: January 14, 2021
Submitted: January 14, 2021
Operation: Air carrier
Aircraft: N1181A
Make and model: Boeing 7673Y0
Aircraft serial: 26206
Aircraft time: 89,234 hours, 22,437 cycles
System (JASC): 4940 · APU Start/Ignition System
Part: Starter
Part number: 5198588
Part serial: 102279
Condition: Faulted
Location: Apu
Stage of operation: CR
How discovered: O
Nature of condition: O
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, FAILED TO START ON 2 ATTEMPTS. REMOVED AND REPLACED & APU STARTER, IAW AMM 49-41-01. OPERATIONS CHECK GOOD AT THIS TIME. REMOVED AND REPLACED ECU, IAW AMM 49-61-05. OPERATIONS CHECK GOOD AT THIS TIME. (SN: PN: 2117342-20). TIGHTENED APU VENT LINE AND APU PNEUMATIC SHUTOFF VALVE LINE, IAW AMM 20-11-00.

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