# SDR DL738050380

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 20, 2005
- Submitted: August 5, 2005
- Operation: Air carrier
- Aircraft: [N373DA](https://openairdocs.org/aircraft/N373DA), registered now
- Make and model: Boeing 737832
- Aircraft serial: 29621
- Aircraft time: 18,667 hours, 9,152 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Apu
- Part number: 1319B
- Part serial: P5153
- Condition: Smoke
- Location: Apu Bay
- Part time: 8,993 hours, 12,153 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: A
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL738050380

## Discrepancy

ON L/O, FOUND APU LOW ON OIL.  SERVICED APU.  ON APU START ATTEMPT, FOUND HEAVY SMOKING IN APU COMPARTMENT WITH TORCHING FROM APU EXHAUST.  REPLACED APU.

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