What was found
INSPECTION TYPE:ETOP, NR1 CABIN PERSSURE CONTROLLER STICKS IN VERIFY MODE CAUSING NR1 MOTOR TO FIGHT NR 2 MOTOR DURING TEST. R & R NR1 CABIN PRESSURE CONTROLLER IAW MM 21-31-02-4. OPS CHECKED GOO D IAW AMM 21-31-00-5.
- Difficulty date
- July 28, 2011
- Submitted
- August 1, 2011
- Operation
- Air carrier
- Aircraft
- N335UP
- Make and model
- Boeing 76734AF
- Aircraft serial
- 37856
- System (JASC)
- 2131 · Cabin Pressure Controller
- Part
- Controller
- Part number
- 211738815
- Part serial
- 1061539
- Condition
- Failed
- Location
- Cabin Pressure
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.