What was found
HYDRAULIC SYSTEM A ENG DRIVEN PUMP WILL NOT DEPRESSURIZE WITH SWITCH IN OFF POSITION. REMOVED NR 1 ENG DEPRESSURIZATION VALVE CONNECTOR INSPECTED CLEANED REF SWPM 20 10 04 RESET NR 1 ENG DEPRESS VALVE C/B OPS CHECK NORMAL.
- Difficulty date
- August 19, 2011
- Submitted
- August 23, 2011
- Operation
- Air carrier
- Aircraft
- N566AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35181
- Aircraft time
- 17,632 hours, 5,520 cycles
- System (JASC)
- 2997 · Hydraulic Power System Wiring
- Part
- Connector
- Part number
- 66087
- Part serial
- 660873169
- Condition
- Loose
- Location
- Hydraulic Pump
- Part time
- 18,001 hours, 5,453 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.