What was found
UNABLE TO CONTROL CABIN PRESSUSE. RETURNED TO PHX. DUMPED FUEL. *S/D* CAUSE NOT DETERMINED. REPLACED AIR CYCLE MACHINE AND ACCOMPLISHED PRESSURIZATION CHECK.
- Difficulty date
- May 26, 1999
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N7299U
- Make and model
- Boeing 727222
- Aircraft serial
- 21894
- Engine
- Pwa JT8D15
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Acm
- Condition
- Failed
- Location
- Ac Compt
- Component
- Air Research · AR2040751
- Stage of operation
- CR
- Nature of condition
- J
- Precautionary procedure
- A, J
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.