# SDR ASAA2018101526471

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 13, 2018
- Submitted: October 15, 2018
- Operation: Air carrier
- Aircraft: [N531AS](https://openairdocs.org/aircraft/N531AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35199
- Aircraft time: 32,784 hours, 9,712 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: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018101526471

## Discrepancy

DURING TASKCARD N8349002, APU GVI, FOUND DELTA PRESSURE SENSOR ON OIL FILTER EXTENDED. GROUNDED - YES. REMOVE AND REPLACED APU OIL FILTER PER AMM 49-91-13-600-801. OPS CHK GOOD.

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