What was found
CONT CABIN ZONE TEMP LIGHT ILLUM ON MASTER RECALL ZONE TEMP LIGHT EXTINGUISHES W/ MASTER CAUTION RESET(PUSHED). GROUNDED - YES. ON DEFERRAL.
- Difficulty date
- April 17, 2022
- Submitted
- April 26, 2022
- Operation
- Air carrier
- Aircraft
- N402AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41189
- Aircraft time
- 34,824 hours, 11,180 cycles
- System (JASC)
- 2120 · Air Distribution System
- Part
- Valve
- Part number
- 3989083
- Part serial
- 9753
- Condition
- Faulty
- Location
- Left Ecs Bay
- Part time
- 52,902 hours, 15,823 cycles
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.