# SDR DALA2023040502636

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 2, 2023
- Submitted: April 5, 2023
- Operation: Air carrier
- Aircraft: [N693DL](https://openairdocs.org/aircraft/N693DL), registered now
- Make and model: Boeing 757232
- Aircraft serial: 29725
- Aircraft time: 78,156 hours, 30,486 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Unknown
- Condition: Unknown
- Location: Unknown
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2023040502636

## Discrepancy

SHIP 693 SMOKEY HAZE IN AFT CABIN WITH ELECTRICAL SMELL, CORRECTIVE ACTION: FOUND APU BATTERY TO BE SOURCE OF SMOKE AND SMELL. REPLACED APU BATTERY AND CHARGER PER B757 AMM 24-31. TESTS GOOD. C/W NO GO ODI PROCEDURES. OK FOR SERVICE. (8568626)

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