What was found
NR 1 ENG THRUST REVERSER ACTIVATED WITH LOCK OUT PIN INSTALLED IN ISOLATION VALVE. FURTHER TESTING SHOWS AN INTERNAL FAILURE OF ISOLATION VALVE. REPLACED STOW VALVE PER MM 78-34-10.
- Difficulty date
- April 16, 2009
- Submitted
- April 20, 2009
- Operation
- Air carrier
- Aircraft
- N659UA
- Make and model
- Boeing 767322
- Aircraft serial
- 27114
- Aircraft time
- 71,132 hours, 11,589 cycles
- Engine
- Pwa PW4060
- Engine time
- 2,416 hours, 2,324 cycles
- System (JASC)
- 7830 · Engine Thrust Reverser
- Part
- Valve
- Part number
- HP13681007
- Part serial
- 3712
- Condition
- Faulty
- Location
- Thrust Reverser
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.