What was found
LEFT PACK LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED FIM 21-53 TASK 801. FOUND NO PACK LIGHT ON. PERFORMED PZTC BITE IAW FIM 21-62 TASK 801. FOUND NO FAULTS. FOUND NO EVIDENCE OF LEAKING PACK FLOW VALVE.
- Difficulty date
- June 27, 2019
- Submitted
- July 1, 2019
- Operation
- Air carrier
- Aircraft
- N407AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41731
- Aircraft time
- 26,229 hours, 8,404 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Warning System
- Condition
- False Activation
- Location
- Cockpit
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.