What was found
LEFT PACK ILLUMINATED AT CRUISE. RAN QRH DID NOT EXTINGUISH. GROUNDED - YES. ACCOMPLISHED B737-9 IFIM 21-51-00-810-807 FOR LATCHED FAULT 21-55030. FAULT RESET, LATCHED MSG NO LONGER DISPLAYED. LEFT PACK LIGHT EXTINGUISHED.
- Difficulty date
- January 1, 2023
- Submitted
- January 3, 2023
- Operation
- Air carrier
- Aircraft
- N978AK
- Make and model
- Boeing 7379
- Aircraft serial
- 43348
- Aircraft time
- 1,720 hours, 499 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Warning Message
- Condition
- False Activation
- Location
- Lt A/C Pack
- Stage of operation
- CR
- 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.