# SDR ASAA0954435

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2009
- Submitted: February 18, 2009
- Operation: Air carrier
- Aircraft: [N584AS](https://openairdocs.org/aircraft/N584AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35682
- Aircraft time: 5,882 hours, 1,740 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Apu
- Part number: 38007021
- Part serial: P6344
- Condition: Leaking
- Location: Tail
- Part time: 24,109 hours, 9,206 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/ASAA0954435

## Discrepancy

APU IS LEAKING OIL FROM THE DRAIN MAST.  REF MM 49 16 11 200 801 STEP D B(4) NO OIL LEAKAGE ALLOWED FROM MIDDLE DRAIN REQ'S APU CHANGE.  REMOVED AND REPLACED APU PER T/C 78349010 PARTS VERIFIED BY SEAMC, OPS & LEAK CHECK GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.