What was found
AFT GALLEY POSITON 500 AND 506 UPPER CHILLER VALVE ASSY (028-5001) ARE CRACKED. CHILLERS C51 AND C52 INOP. CBS PULLED. INF- :2EA 028-5001 ON EXP N6599. REPLACED VALVE ASSY, OPS CHKD OKAY.
- Difficulty date
- August 28, 2011
- Submitted
- September 6, 2011
- Operation
- Air carrier
- Aircraft
- N197UA
- Make and model
- Boeing 747422
- Aircraft serial
- 26901
- Aircraft time
- 57,256 hours, 6,827 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2530 · Buffet/Galleys
- Part
- Valve
- Part number
- 3887315
- Condition
- Cracked
- Location
- Galley
- 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.