What was found
RIGHT PACK LIGHT ILLUMINATED ON MASTER CAUTION RECALL. EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. REPLACED RH PACK TEMPERATURE CONTROL VALVE REF B737-900 AMM 21-51-10.
- Difficulty date
- August 13, 2022
- Submitted
- August 19, 2022
- Operation
- Air carrier
- Aircraft
- N493AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41727
- Aircraft time
- 23,062 hours, 7,243 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Control Valve
- Part number
- 3989085
- Part serial
- 7019
- Condition
- Faulty
- Location
- Right Ecs Bay
- Part time
- 54,157 hours, 20,782 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.