What was found
LT PACK LIGHT ILLUMINATED. EXTINGUISHED W/MASTER CAUTION RESET. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 21-53 TASK 821. BITE TEST OF #1 PACK TEMP CONTROLLER OPS NORMAL REF FIM 21-62 TASK 801.
- Difficulty date
- October 26, 2019
- Submitted
- October 28, 2019
- Operation
- Air carrier
- Aircraft
- N472AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 60580
- Aircraft time
- 18,307 hours, 5,859 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.