What was found
TEMP INDICATOR IN LEFT PACK POSITION INDICATES ZERO. PRESSURE NORMAL. ACFT GROUNDED. REMOVED AND REPLACED THE LEFT PACK TEMP BULB IAW AMM 21-51-60-000-801, AND 21-51-60-400-801, OPS CHECKED GOOD.
- Difficulty date
- October 14, 2017
- Submitted
- October 16, 2017
- Operation
- Air carrier
- Aircraft
- N594AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35191
- Aircraft time
- 36,692 hours, 11,053 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Bulb
- Part number
- MS280341
- Condition
- Failed
- Location
- Lt Pack Temp
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.