What was found
LH PACK ILLUMINATED IN FLIGHT CANCELS WITH MASTER CAUTION RELIGHTS ON RECALL. GROUNDED - YES. #1 PZTC SHOWS PREV FLT SHOWS RAM AIR ACT FAULT. RESET FAULT. FAULT DID NOT RETURN. OPS CHECK #1 PZTC GOOD REF B73-800 AMM 21-51-00.
- Difficulty date
- December 12, 2019
- Submitted
- December 17, 2019
- Operation
- Air carrier
- Aircraft
- N535AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35200
- Aircraft time
- 34,685 hours, 10,040 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Warning Light
- Condition
- False Indication
- Location
- Lt A/C Pack
- Stage of operation
- NR
- 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.