What was found
OUTPUT OF LEFT PACK IS OFF SCALE LESS THAN ZERO DEGREES. GROUNDED - YES. VERIFIED, REPLACED LEFT PACK TEMP BULB T488 REF B737-900 AMM 21-51-60, OPS NORMAL.
- Difficulty date
- September 26, 2019
- Submitted
- September 30, 2019
- Operation
- Air carrier
- Aircraft
- N472AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 60580
- Aircraft time
- 17,962 hours, 5,764 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Bulb
- Part number
- MS280341
- Condition
- Failed
- Location
- Ac Bay
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.