What was found
THE RIGHT SIDE PRESSURIZATION PACK TRIPPED OFF AND THE AIRCRAFT CABIN ALTITUDE RAPIDLY INCREASED. *S/D* FOUND RIGHT PACK TURBOFAN MAKING LOUD NOISE. REPLACED RIGHT PACK TURBOFAN. REF MRR 99UAL900306 FOR SUBSEQUENT MAINTENANCE ACTIONS.
- Difficulty date
- May 30, 1999
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N302UA
- Make and model
- Boeing 737322
- Aircraft serial
- 23643
- Engine
- Ge CFM56*
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Pack
- Condition
- Failed
- Location
- Right
- Component
- Alliedsignal · 8012401
- Stage of operation
- CL
- Nature of condition
- O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.