# SDR 01FDEA01092

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2001
- Submitted: December 20, 2001
- Operation: Air carrier
- Aircraft: [N189](https://openairdocs.org/aircraft/N189), registered now
- Make and model: Boeing 727-22
- Registry model: [Boeing 727-22](https://openairdocs.org/model/boeing-727-22) (OpenAirDocs)
- Aircraft serial: 19082
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Module
- Part number: 65178218
- Part serial: MR2910883
- Condition: Bypassing
- Location: Hydraulic Sys
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/01FDEA01092

## Discrepancy

APPROX 10 MIN AFTER T/O NR 1 & 2 ENG DRIVEN HYS SYS A PUMPS LOW PRESS LIGHTS ILLUM'D HYD QTY REMAINED STEADY 3.5 GAL  ALL HYD C/B WERE IN SYS A PRESS WENT TO ZERO AND SYS A FLT CONT LOW PRESS LIGHTS ILLUM'D.  REPLACED SYS A MODULAR UNIT IAW AMM 29-11-061-4.  RAN NR 1 & 2 ENG AS PER JRH, SYS OPS CHECKS GOOD, NO LEAKS NOTED.

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