What was found
UPON MASTER CAUTION RECALL LEFT PACK LIGHT ILLUMINATES. GROUNDED - YES. ACCOMPLISHED PZTC BITE, NR 1 CONTROLLER FAULTED "THIS PACK TCV" FOR BIT & PREV FLT. FAULT CLEARED ON VERIFY. RAN PACKS, ACCOMPLISHED PZTC BITE, NO FAULTS FOUND.
- Difficulty date
- December 13, 2018
- Submitted
- December 18, 2018
- Operation
- Air carrier
- Aircraft
- N440AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41705
- Aircraft time
- 20,571 hours, 6,797 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Warning System
- Condition
- False Activation
- Location
- Cockpit
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.