What was found
RIGHT PACK LIGHT ILLUMINATED DURING PREFLIGHT. GROUNDED - YES. BITE CHECKED BOTH ZONE TEMP CONTROLLERS IAW FIM 21-62 TASK 801. RIGHT FAULTED FOR RIGHT PACK TCV. FAULT RESET. RAN VERIFICATION TEST TWO TIMES WITH NO DEFECTS NOTED.
- Difficulty date
- June 24, 2020
- Submitted
- June 25, 2020
- Operation
- Air carrier
- Aircraft
- N491AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44109
- Aircraft time
- 17,901 hours, 5,735 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Warning Message
- Condition
- False Activation
- Location
- Rt A/C Pack
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.