# SDR DL72L954059

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 19, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N505DA](https://openairdocs.org/aircraft/N505DA), registered now
- Make and model: Boeing 727232
- Aircraft serial: 21307
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Condition: Leaking
- Location: B-Hyd Sys
- Component: AS19570C
- Stage of operation: CR
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL72L954059

## Discrepancy

THE B-SYS HYDRAULIC IND SHOWED ZERO IN FLT, SYS-A SHOWS 2.1 GAL AND IS STEADY.  LOSS OF INDICATION IN B-SYS WENT FROM FULL TO ZERO IN ABOUT 1 HOUR.  FOUND NR 2 B-PUMP LEAKING, REPLACED AND LEAK CHECK OK.  REPLACED BOTH B-SYS CASE DRAIN AND PRESS FILTER, RAN ALL SYS AND ENG PUMPS AND ALL LEAK CHECKS 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.