What was found
AIR TURNBACK - IN-FLIGHT NR 1 ENGINE A HYDRAULIC PUMP LOW PRESSURE LIGHT ILLUMINATED. REMOVED AND REPLACED NR 1 ENGINE DRIVEN HYDRAULIC PUMP, NR 1 ENGINE EDP HYDRAULIC SHUTOFF VALVE, CASE HYDRAULIC FILTER AND RETURN FITTING PER MM.
- Difficulty date
- October 18, 2011
- Submitted
- October 19, 2011
- Operation
- Air carrier
- Aircraft
- N419WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 29824
- Aircraft time
- 35,016 hours, 20,160 cycles
- System (JASC)
- 2913 · Hydraulic Pump (Electric/Engine), Main
- Part
- Pump
- Part number
- 849589
- Part serial
- MX630349
- Condition
- Faulty
- Location
- Nr 1 Engine
- Stage of operation
- UK
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.