What was found
#2 ENGINE HYDRAULIC PUMP IS LEAKING FROM HOUSING. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE "B" SYSTEM PUMP PER B737-800 AMM 29-11-11-000-801-001 & 29-11-11-400-801-001, HYDRAULIC PUMP LEAKED AT GEARBOX CAVITY DRAIN.
- Difficulty date
- April 13, 2021
- Submitted
- April 15, 2021
- Operation
- Air carrier
- Aircraft
- N558AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35177
- Aircraft time
- 53,599 hours, 15,705 cycles
- System (JASC)
- 2913 · Hydraulic Pump (Electric/Engine), Main
- Part
- Pump
- Part number
- 66087
- Part serial
- K1292
- Condition
- Leaking
- Location
- Nr 2 Hyd System
- Part time
- 34,087 hours, 12,578 cycles
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- K
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.