What was found
AIRCRAFT RETURNED TO PLATFORM, LT HYDRAULIC PUMP FAILED. HYDRAULIC PUMP SOLENOID WAS CHECKED AND CIRCUIT BREAKERS WERE RESEATED AND FAIL CONTINUED. LT HYDRAULIC PUMP WAS REPLACED IAW MM 29-01-02, TEST CORRECT.
- Difficulty date
- September 21, 2004
- Submitted
- September 22, 2004
- Operation
- Air carrier
- Aircraft
- N803ML
- Make and model
- Doug DC987
- Aircraft serial
- 49726
- Aircraft time
- 40,993 hours, 23,926 cycles
- Engine
- Pwa JT8D219
- System (JASC)
- 2913 · Hydraulic Pump (Electric/Engine), Main
- Part
- Pump
- Part number
- AS66411LS666
- Part serial
- MX146818P
- Condition
- Failed
- Location
- Hyd System
- Part time
- 40,516 hours, 15,001 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.