What was found
LEFT PACK LIGHT ILLUMINATED ON CLIMBOUT. TRIP RESET UNSUCCESSFUL. SINGLE PACK (RIGHT) WORKS OK. GROUNDED - YES. BITE CHECK ON LEFT PACK ZONE TEMPERATURE CONTROLLER PER AMM 21-51-00-700-803, NO FAULTS NOTED.
- Difficulty date
- January 20, 2018
- Submitted
- January 23, 2018
- Operation
- Air carrier
- Aircraft
- N433AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41704
- Aircraft time
- 16,878 hours, 5,546 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Warning System
- Condition
- False Activation
- Location
- Cockpit
- Stage of operation
- CL
- 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.