# SDR ASAA2022120341014

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2022
- Submitted: December 5, 2022
- Operation: Air carrier
- Aircraft: [N949AK](https://openairdocs.org/aircraft/N949AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43356
- Aircraft time: 369 hours, 107 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Filter
- Part number: 38809381
- Condition: Clogged
- Location: Apu Oil Sys
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022120341014

## Discrepancy

FOUND APU LUBE FILTER RED BUTTON EXTENDED. GROUNDED - YES. REMOVED & REPLACED APU LUBE FILTER PER B737-9 AMM 49-91-13. LEAK CHECK GOOD. SERVICED APU OIL PER AMM 12-13-31.

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