What was found
NR 1 ENGINE N1 SEIZED AND METAL IN TAIL PIPE. N1 SEIZED DUE TO SCATTERED BROKEN STAGE 1 LPT BLADES. FOLLOWING SEIZURE, STAGE 2 NGV'S AND REMAINDER OF BLADES IN STAGE 1 BURNED/MELTED. NO KNOWN CAUSE FOR INITIAL BROKEN 1ST STAGE BLADES.
- Difficulty date
- July 24, 2007
- Submitted
- July 27, 2007
- Operation
- Air carrier
- Aircraft
- N925UA
- Make and model
- Boeing 737522
- Aircraft serial
- 26646
- Aircraft time
- 41,473 hours, 30,215 cycles
- Engine
- Ge CFM56*
- Engine time
- 52,376 hours, 34,859 cycles
- System (JASC)
- 7200 · Engine (Turbine/Turboprop)
- Part
- Engine
- Condition
- Seized
- Location
- Nr 1
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- R, Y, J
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.