# SDR ASAA2016051816788

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2016
- Submitted: May 23, 2016
- Operation: Air carrier
- Aircraft: [N494AS](https://openairdocs.org/aircraft/N494AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41729
- Aircraft time: 974 hours, 302 cycles
- System (JASC): [7920 · Engine Oil Distribution (Airframe Furnished)](https://openairdocs.org/jasc/7920)
- Part: Sump
- Condition: Leaking
- Location: Unknown
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016051816788

## Discrepancy

WHILE ACCOMPLISHING TASK CARD POWER PL-79 FCD-12377-1, FOUND EVIDENCE OF LEAK ON THE NR 1 ENGINE TURBINE FRAME AFT SUMP.  ACFT GROUNDED. ACCOMPLISHED T/C POWERPLANT-79FCD-12377-4: CFM56-7BE TURBINE REAR FRAME AFT SUMP FCD: INSPECTION AT NR 1 ENGINE. OPS  LEAK CHECK OK.

---
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.