# SDR ASAA2021082135764

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 21, 2021
- Submitted: August 24, 2021
- Operation: Air carrier
- Aircraft: [N462AS](https://openairdocs.org/aircraft/N462AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36362
- Aircraft time: 27,195 hours, 8,759 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Filter
- Part number: 38809381
- Condition: Dirty
- Location: Apu Oil
- 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/ASAA2021082135764

## Discrepancy

APU OIL FILTER INDICATOR REQ'S SERVICING. GROUNDED - YES. REMOVED AND REPLACED APU LUBE FILTER ELEMENT REF. B737-900 AMM 49-91-12 OPS CHECK NORMAL NO LEAKS DETECTED AT THIS TIME.

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