# SDR ASMF201507013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 2015
- Submitted: July 23, 2015
- Operation: Air carrier
- Aircraft: [N851AM](https://openairdocs.org/aircraft/N851AM), registered now
- Make and model: Boeing 737752
- Aircraft serial: 29363
- Aircraft time: 22,910 hours, 11,323 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hydraulic Line
- Part number: 1550121221
- Condition: Leaking
- Location: Hydraulic Sys
- Part time: 22,910 hours, 11,323 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASMF201507013

## Discrepancy

DURING TRANSIT CHECK, A HYD LEAK WAS DETECTED IN THE HYD SYS B OF THE ENG DRIVEN PUMP.  PERFORMED REVISION DETECTING HYD LEAK AT HYD SYS B OF THE ENG DRIVEN PUMP HYD PRESS LINE.  THE HYD PRESS LINE WAS CLEANED & TIGHTENED IAW AMM 29-11-11.  AS PRECAUTIONARY ACTION, HYD PRESS LINE & NIPPLE WERE REPLACED IAW AMM 71-00-02, 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.