# SDR CALA2013122793977

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 27, 2013
- Submitted: December 30, 2013
- Operation: Air carrier
- Aircraft: N548UA
- Make and model: Boeing 757222
- Aircraft serial: 25396
- Aircraft time: 83,072 hours, 23,866 cycles
- Engine: Pwa PW2037
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Starter
- Part number: 5198588
- Part serial: 144
- Condition: Faulty
- Location: Apu
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2013122793977

## Discrepancy

APU INOPERATIVE 2 ATTEMPTS.  SHOWS STARTER ON BITE CHECK.  INSPECTED STARTER & FOUND BURNED OUT NEEDS MR49408.  REPLACED APU STARTER MOTOR IAW AMM-49-41-01, OPERATIONS CHECKED OK.

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