# SDR AALA202006109003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 9, 2020
- Submitted: June 10, 2020
- Operation: Air carrier
- Aircraft: [N883NN](https://openairdocs.org/aircraft/N883NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31137
- Aircraft time: 25,900 hours, 10,578 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Converter
- Part number: 1152466250
- Condition: Malfunctioned
- Location: Apu
- Stage of operation: UK
- 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/AALA202006109003

## Discrepancy

AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT REPORT A BURNING ELECTRICAL SMELL THROUGHOUT THE ENTIRE CABIN AT THE GATE DURING BOARDING. MAINTENANCE DETERMINED THE APU STARTER CONVERTER UNIT IN THE E&E BAY HAD A BURNT ELECTRICAL SMELL AND REPLACED IT PER AMM 49-41--61. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO FURTHER ODORS NOTED.

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