# SDR ASAA2013011793701

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 17, 2013
- Submitted: January 23, 2013
- Operation: Air carrier
- Aircraft: [N577AS](https://openairdocs.org/aircraft/N577AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35186
- Aircraft time: 22,324 hours, 6,746 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Module
- Part number: 41310203
- Part serial: 4619
- Condition: Leaking
- Location: Apu Oil Sys
- Part time: 4,421 hours, 4,319 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2013011793701

## Discrepancy

DURING ETOPS PDC FOUND OIL STREAMING OUT OF APU COWLING DRAIN MAST.  REPLACED APU LUBE MODULE REF AMM 49-91-11-400-802, OPS CHECKED GOOD.

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