# SDR ASAA2018101526482

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 15, 2018
- Submitted: October 16, 2018
- Operation: Air carrier
- Aircraft: [N531AS](https://openairdocs.org/aircraft/N531AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35199
- Aircraft time: 32,791 hours, 9,714 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Filter Element
- Part number: 38809381
- Condition: Leaking
- Location: Apu
- Stage of operation: TX
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018101526482

## Discrepancy

STARTED APU AND BLUE MAINT LIGHT ILLUMINATED. GROUNDED - YES. FOUND OIL LEAKAGE AT LUBE FILTER HOUSING REF AMM 49-16-11. REMOVED AND REPLACED LUBE FILTER ELEMENT WITH NEW PACKING, OIL LEAK CHECK GOOD REF AMM 49-91-12. PERFORMED APU BITE PROCEDURE NO MAINT MSG ON CDU PAGE REF FIM 49-60 NR 801. APU STARTED NORMAL - NO BLUE LIGHT NOTED REF AMM 49-11-00.

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