What was found
ENGINE SURGE SUSPECTED ON DESCENT THROUGH FL340-280 INDICATED BY UNUSUAL NOISE AND VIBRATION. FOUND 2.5 BLEED VALVE RING BROKEN. REPLACED NR 2 ENGINE. SYSTEM OPERATION IS NORMAL.
- Difficulty date
- July 2, 2018
- Submitted
- July 6, 2018
- Operation
- Air carrier
- Aircraft
- N180DN
- Make and model
- Boeing 767332
- Aircraft serial
- 25985
- Aircraft time
- 118,413 hours, 17,400 cycles
- Engine
- Pwa PW4060
- Engine time
- 92,566 hours, 17,411 cycles
- System (JASC)
- 7230 · Turbine Engine Compressor Section
- Part
- Ring
- Condition
- Broken
- Location
- Nr 2 Engine
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- E
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.