What was found
LEFT ENG EPR FLUCTUATES ABRUPTLY WHEN TURNING ANTI-ICE ON AND OFF. REPLACED NR 1 ENGINE COWL ANTI-ICE VALVE AS PER MM. RAN ENG, OPS CHECK NORMAL.
- Difficulty date
- November 5, 2011
- Submitted
- November 23, 2011
- Operation
- Air carrier
- Aircraft
- N597UA
- Make and model
- Boeing 757222
- Aircraft serial
- 28750
- Aircraft time
- 50,101 hours, 14,112 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 3020 · Air Intake Anti/De-Ice System
- Part
- Anti-Ice Valve
- Part number
- 2790583108
- Part serial
- 83
- Condition
- Defective
- Location
- Lt Engine
- 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.