# SDR 20010125CW012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 4, 2001
- Submitted: January 25, 2001
- Operation: General aviation
- Make and model: Boeing 737
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Housing
- Part number: 65447821
- Condition: Leaking
- Location: Hydraulic Module
- Part time: 43,127 hours
- Component: Hyd Mod Vlv Assy, Boeing
- Component part number: 65449913
- 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/20010125CW012

## Discrepancy

UNIT NOTED TO HAVE A PIN HOLE LEAK ADJACENT TO OUTLET PORT NR4 AS PRESSURE WAS APPLIED DURING PROOF TEST.

---
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.
