What was found
DURING FLIGHT, 'A' SYSTEM HYDRAULIC PUMP LIGHT CAME ON. LOSS OF 'A' SYSTEM HYDRAULICS. AIR RETURN. MAINTENANCE FOUND NR 1 ENGINE DRIVEN PUMP FROZEN. REMOVED AND REPLACED EDP. (M)
- Difficulty date
- March 7, 1996
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N509AU
- Make and model
- Boeing 7373B7
- Aircraft serial
- 23384
- System (JASC)
- 2913 · Hydraulic Pump (Electric/Engine), Main
- Part
- Hyd Pump
- Part number
- 6507506
- Condition
- Frozen
- Location
- Nr 1 Eng
- Stage of operation
- CL
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.