What was found
LEFT PACK LITE ILLUMINATED DURING AFTER START RECALL, FOLLOWED QRH LITE WENT OUT ON MASTER CAUTION RESET. GROUNDED - YES. FOUND PZTC 1 TCV FAULT. PER B737-800 FIM 21-62 TASK 830 FAULT CLEARED ON VERIFY. RAN PACK WITH NO DEFECTS NOTED.
- Difficulty date
- August 9, 2019
- Submitted
- August 12, 2019
- Operation
- Air carrier
- Aircraft
- N508AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35691
- Aircraft time
- 42,094 hours, 12,557 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Warning Light
- Condition
- False Activation
- Location
- Lt 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.