What was found
NR 1 ENG, S/N 222140, DURING ACK BORESCOPE FOUND HPT-1 BLADE DAMAGED BEYOND SERVICEABLE LIMITS. CHANGE ENGINE AS REQUIRED. MATERIAL BREAK THROUGH AND BURN THROUGH INTO INTERNAL CAVITY.
- Difficulty date
- July 25, 2010
- Submitted
- July 28, 2010
- Operation
- Air carrier
- Aircraft
- N787UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26939
- Aircraft time
- 58,189 hours, 8,720 cycles
- Engine
- Pwa PW40903
- Engine time
- 38,546 hours, 5,595 cycles
- System (JASC)
- 7250 · Turbine Section
- Part
- Turbine Blades
- Condition
- Damaged
- Location
- Nr 1 Engine
- Stage of operation
- IN
- 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.