What was found
AIRCRAFT RETURNED TO PLATFORM AS A CONSEQUENCE OF HYDRAULIC PRESSURE ON LEFT ENGINE REACHED 4000 PSI AND DROPPED TO ZERO. THE HYDRAULIC PUMP WAS REPLACED IAW MM 29-10-05, TEST CORRECT.
- Difficulty date
- March 22, 2004
- Submitted
- April 17, 2004
- Operation
- Air carrier
- Aircraft
- N754RA
- Make and model
- Doug DC987
- Aircraft serial
- 49641
- Aircraft time
- 31,096 hours, 21,733 cycles
- System (JASC)
- 2913 · Hydraulic Pump (Electric/Engine), Main
- Part
- Pump
- Part number
- AS66411LS666
- Part serial
- MX523482
- Condition
- Failed
- Location
- Hyd System
- Part time
- 22,804 hours, 8,467 cycles
- Stage of operation
- TX
- 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.