What was found
RIGHT PACK RAM AIR OUTLET HEADER HAS CRACKS 2.5" LONG AND 2" LONG, ALONG THE HEADER WELDS. REMOVED RIGHT PACK HEAT EXCHANGER. REPLACED DUEL HEAT EXCHANGER.
- Difficulty date
- October 22, 2012
- Submitted
- November 15, 2012
- Operation
- Air carrier
- Aircraft
- N777UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26916
- Aircraft time
- 71,054 hours, 12,798 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Header
- Condition
- Cracked
- Location
- Heat Exchanger
- 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.