# SDR DLM88091750

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 8, 2009
- Submitted: November 19, 2009
- Operation: Air carrier
- Aircraft: N959DL
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 49978
- Aircraft time: 52,036 hours, 39,796 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Apu
- Part number: 38005041
- Part serial: DL144
- Condition: Unserviceable
- Location: Apu Bay
- Part time: 17,598 hours, 32,732 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DLM88091750

## Discrepancy

FOUND INLET GUIDE VANES COKED WITH OIL.  INSPECTED APU INLET NO OIL EVIDENCE FOUND R/R APU PER MM, ALL OPS NORMAL.  C/W OPN 5089 DUCT BURNOUT, C/W OPN 7967 COALESCER BAG R/R OK FOR SERVICE.

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