What was found
AFT CAB ZONE TEMP LIGHT ILLUMINATES UPON RECALL. GROUNDED - YES. RESET THE AFT CABIN ZONE TEMP CONTROLLER AND ACCOMPLISHED BITS. VERIFIED AFT CABIN TRIM AIR MODULATION VALVE MODULATES, OPS CK GOOD IAW AMM 21-61-00-700-806-002.
- Difficulty date
- December 31, 2018
- Submitted
- January 4, 2019
- Operation
- Air carrier
- Aircraft
- N512AS
- Make and model
- Boeing 737890
- Aircraft serial
- 39043
- Aircraft time
- 39,784 hours, 11,963 cycles
- System (JASC)
- 2161 · Cabin Temperature Controller
- Part
- Controller
- Condition
- Malfunctioned
- Location
- Cabin Temp
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.