What was found
ON A WALK AROUND FOUND NR 1 END FAN BLADES BENT AT TIP. NR 33 AND NR 21 FROM TIP 1" DOWN, CURLED OUTWARD ON TIPS. NEW BLADES ON FLAT BED AT ENG. REPLACED BLADES 2, 21 & 14, 33 ON NR 1 ENG SIGN OFF AND INSTALLATION COMPLETED.
- Difficulty date
- November 3, 2009
- Submitted
- September 1, 2010
- Operation
- Air carrier
- Aircraft
- N187UA
- Make and model
- Boeing 747422
- Aircraft serial
- 26877
- Aircraft time
- 68,384 hours, 8,071 cycles
- Engine
- Pwa PW4056
- Engine time
- 69,457 hours, 10,056 cycles
- System (JASC)
- 7230 · Turbine Engine Compressor Section
- Part
- Blade
- Part serial
- CDBUDN4722
- Condition
- Bent
- Location
- Nr 1 Engine
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.