What was found
DIVERSION - NR 1 ENGINE DRIVEN PUMP FAILED. LOST A SYSTEM QUANTITY. REMOVED AND REPLACED NR 1 ENGNE DRIVEN PUMP, CASE DRAIN FILTER, SYSTEM A HYDRAULIC EMPD, AND A HYDRAULIC EMDP ACOUSITC FILTER PER MM.
- Difficulty date
- July 25, 2012
- Submitted
- July 31, 2012
- Operation
- Air carrier
- Aircraft
- N401WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 29813
- Aircraft time
- 41,460 hours, 23,883 cycles
- System (JASC)
- 2913 · Hydraulic Pump (Electric/Engine), Main
- Part
- Pump
- Part number
- 849589
- Part serial
- MX613898
- Condition
- Failed
- Location
- Nr 1 Engine
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- K
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.