What was found
RIGHT PACK LIGHT ILLUMINATED IN FLIGHT AND WONT RESET. GROUNDED - YES. REMOVED AND REPLACED TRIM MODULATING VALVE (TCV) RH (THIS PACK) PER B737-800 AMM TASK 21-51-10. PZTC BITE TEST GOOD. LEAK CK GOOD. NO DEFECTS NOTED AT THIS TIME.+
- Difficulty date
- June 7, 2022
- Submitted
- June 9, 2022
- Operation
- Air carrier
- Aircraft
- N570AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35185
- Aircraft time
- 55,955 hours, 16,703 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Modulator
- Part number
- 3989083
- Part serial
- 8891
- Condition
- Faulty
- Location
- Right Ecs Bay
- Part time
- 57,186 hours, 17,282 cycles
- Stage of operation
- IN
- 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.