# SDR DLM88050237

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2005
- Submitted: May 12, 2005
- Operation: Air carrier
- Aircraft: N998DL
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 53370
- Aircraft time: 36,254 hours, 27,820 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Pressure Switch
- Part number: 499701338
- Condition: Failed
- Location: Apu
- Stage of operation: CL
- 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/DLM88050237

## Discrepancy

SMOKE IN COCKPIT AND CABIN IMMEDIATELY AFTER TAKEOFF.  REPLACED APU OIL PRESSURE SWITCH.

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