What was found
NR 2 ENG FOUND PRECOOLER LOWER AFT WELD BROKEN. REMOVED PRECOOLER NEEDS CLAMPUP BUSHING. INSTALLED NR 2 ENGINE PRECOOLER WITH NEW CLAMP UP BUSHING. ACP PRECOOLER TEST, OPS CHECKED GOOD.
- Difficulty date
- March 12, 2012
- Submitted
- March 30, 2012
- Operation
- Air carrier
- Aircraft
- N780UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26944
- Aircraft time
- 63,861 hours, 11,341 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 7800 · Engine Exhaust System
- Part
- Precooler
- Condition
- Broken
- Location
- Nr 2 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.