What was found
NR 4 ENGINE FAILED DURING TAKEOFF ROTATION. AIRCRAFT RETURNED TO FIELD. HIGH PRESSURE COMPRESSOR 11TH STAGE BLADE FAILED DUE TO FOD. ENGINE WAS REPLACED.
- Difficulty date
- June 7, 1997
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N105UA
- Make and model
- Boeing 747451
- Aircraft serial
- 26473
- Engine
- Pwa PW4056
- System (JASC)
- 7230 · Turbine Engine Compressor Section
- Part
- Compressor Blade
- Part number
- 51H211
- Condition
- Cracked
- Location
- Nr 4 Engine
- Stage of operation
- TO
- Nature of condition
- Y
- Precautionary procedure
- A, E
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.