What was found
MCO - FLT 653 - AT GEAR RETRACTION THE 'A' HYD SYSTEM QTY AND PRESSURE DROPPED. BOTH ENGINE PUMPS WERE DEPRESSURIZED AND FLIGHT RETURNED TO MCO. REPLACED THE LEFT MAIN LANDING GEAR LOCK SEQUENCE VALVE. (M)
- Difficulty date
- March 1, 1998
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N54329
- Make and model
- Boeing 727231
- Aircraft serial
- 20307
- System (JASC)
- 3230 · Landing Gear Retraction/Extension System
- Part
- Sequence Valve
- Part number
- 1U10851
- Condition
- Ruptured
- Location
- Lt Mlg
- Stage of operation
- CL
- Nature of condition
- K, J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.