What was found
CIU - LEFT AND RIGHT ENVIRONMENTAL FAIL ANNUNCIATOR IN FLIGHT. MAINTENANCE SWAPPED PRSOV VALVES FOR TROUBLESHOOTING. RIGHT SIDE OPERATES NORMALLY. DEFERRED LEFT SIDE AND LATER REPLACED LEFT PRSOV. (M)
- Difficulty date
- December 30, 1996
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N141UE
- Make and model
- Beech 1900C
- Aircraft serial
- UC141
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Prsov
- Part number
- 11438004221
- Condition
- Malfunctions
- Location
- Lt Engine
- Stage of operation
- CR
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.