# SDR ASAA2022123041354

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 30, 2022
- Submitted: January 3, 2023
- Operation: Air carrier
- Aircraft: [N581AS](https://openairdocs.org/aircraft/N581AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35188
- Aircraft time: 55,043 hours, 16,356 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil Filter
- Part number: 38809381
- Condition: Clogged
- Location: Apu
- Stage of operation: IN
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022123041354

## Discrepancy

DURING ASA T/C 78349004 FOUND BUTTON ON THE OIL FILTER INDICATION POPPED. GROUNDED - YES. REMOVED AND REPLACED LUBE FILTER ELEMENT REF B737-800 AMM 49-91-12 OPS CHECK GOOD.

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