# SDR ASMF20130523003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 2013
- Submitted: May 23, 2013
- Operation: Air carrier
- Aircraft: [N788XA](https://openairdocs.org/aircraft/N788XA), registered now
- Make and model: Boeing 737752
- Aircraft serial: 33788
- Aircraft time: 31,149 hours, 15,755 cycles
- Engine: Cfmint CFM567B22
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: O-Ring
- Part number: QD1104016
- Condition: Leaking
- Location: Rt Engine Oil
- Part time: 28,010 hours, 14,304 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: K, J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASMF20130523003

## Discrepancy

DURING TRANSIT CHECK, DETECTED AN OIL LEAK IN THE RT ENGINE. MX PERSONNEL PERFORMED ENGINE LEAKING INSPECTION IAW AMM 73-21-00, DETECTING OIL LEAK IN THE DIFFERENTIAL PRESSURE SWITCH, SO THE O-RINGS WERE REPLACED IAW AMM 79-21-07, TESTED CORRECT.

---
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.
