# SDR 08FDEA04538

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 24, 2008
- Submitted: October 28, 2008
- Operation: Air carrier
- Aircraft: N464FE
- Make and model: Boeing 727225
- Aircraft serial: 21288
- Aircraft time: 52,885 hours, 37,731 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Valve
- Part number: AV13J5144
- Part serial: 06397
- Condition: Leaking
- Location: Hyd System
- Stage of operation: DE
- How discovered: O
- Nature of condition: K, S
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/08FDEA04538

## Discrepancy

DURING DESCENT A HYDRAULIC SYSTEM LOST ALL QTY.  COMPLIED WITH QRH LOSS OF ALL HYDRAULIC SYSTEM A.   ALT  FLAPS AND MANUAL GEAR EXT SYST A ENG 1 AND 2 FLAP  SHUTOFF SWITCHES CLOSED FOR MORE THAN 5 MIN WITH ENGINES RUNNING.  REMOVED AND REPLACED RT FLAP BYPASS VALVE PER MM 27-51-151-4. ALSO REPLACED A SYS. CASE DRAIN FILTERS PER MM 29-11-041-2

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