What was found
LEFT PACK LIGHT ILLUIMINATED DURING MASTER CAUTION CHECK. PACK LIGHT EXTINGUISHED WHEN MASTER CAUTION RESET PUSHED. GROUNDED - YES. C/W B737-800 FIM 21-55 TASK 821 AND 21-61 TASK 801 BITE TESTS. NO FAULTS RECORDED.
- Difficulty date
- February 5, 2020
- Submitted
- February 7, 2020
- Operation
- Air carrier
- Aircraft
- N537AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35204
- Aircraft time
- 31,385 hours, 9,056 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Warning Light
- Condition
- False Activation
- 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.