# SDR ASAA2014010312315

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 2014
- Submitted: January 6, 2014
- Operation: Air carrier
- Aircraft: [N563AS](https://openairdocs.org/aircraft/N563AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35180
- Aircraft time: 27,687 hours, 8,499 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/ASAA2014010312315

## Discrepancy

DURING A-CHECK, FOUND APU OIL LUBE FILTER DELTA P INDICATOR POPPED.  ACFT GROUNDED. R & R APU OIL FILTER ELEMENTS, AND LEAK CK OK IAW AMM 49-91-12/401.

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