What was found
LEFT PACK LIGHT COMES ON DURING MASTER CAUTION RECALL. GROUNDED - YES. FOUND TCV FAULT ON #1 PACK CONTROLLER PERFORMED B737-800 FIM 21-61 TASK 801, OPS CHECK PASSES TWO TIMES ON BOTH #1 AND #2 PACK CONTROLLER. A/C OK FOR SERVICE.
- Difficulty date
- September 3, 2021
- Submitted
- September 7, 2021
- Operation
- Air carrier
- Aircraft
- N512AS
- Make and model
- Boeing 737890
- Aircraft serial
- 39043
- Aircraft time
- 46,911 hours, 13,867 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Warning Light
- Condition
- False Activation
- Location
- Lt A/C Pack
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.