What was found
REF WG6601. WHILE REMOVING SUPPORT BRACKET ON AP41 TUBE, 2 EACH BOLT HEADS BROKE OFF ON DIFFUSER CASE. BROKEN BOLTS EXTRACTED BY MACHINIST.
- Difficulty date
- January 25, 2012
- Submitted
- February 14, 2012
- Operation
- Air carrier
- Aircraft
- N788UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26942
- Aircraft time
- 65,154 hours, 9,310 cycles
- Engine
- Pwa PW40903
- System (JASC)
- 7240 · Turbine Engine Combustion Section
- Part
- Bolt
- Condition
- Broken
- Location
- Diffuser Case
- 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.