# SDR AALA202407253664

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 19, 2024
- Submitted: July 25, 2024
- Operation: Air carrier
- Aircraft: [N339PL](https://openairdocs.org/aircraft/N339PL), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33346
- Aircraft time: 20,607 hours, 8,909 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Starter Gen
- Part number: 28B5459
- Part serial: 70C0526
- Condition: Burned Out
- Location: Zone 200
- Part time: 9,742 hours, 4,589 cycles
- Component: Apu, Hnywl
- Component part number: 38007021
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202407253664

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: APU GENERATOR DROPPED OFFLINE AFTER ENGINE SHUTDOWN ACCOMPANIED BY A STRONG BURNING SMELL.**SUPPLEMENTAL REPORT FOR (AALA202407233664): ACCOMPLISHED SOF CARD 08L0021001 FOUND START GENERATOR ELECTRICAL CONECTIONS BURNT REMOVED AND REPLACED APU GENERATOR. PER AMM 49-41-21.OPS TEST PASSED**(CLOSED).

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