What was found
**ATB** THE FOLLOWING ECAS MSG POPULATED CLIMBING OUT OF SDF CABIN ALT AUTO FOUND FAULT CODE 21227 IN TELEMETRY. LEFT OUT FLOW VALVE A/C MOTOR FAIL.<BR>REMOVED AND REPLACED LEFT OUTFLOW VALVE A/C MOTOR PER AMM 21-31-06
- Difficulty date
- May 10, 2024
- Submitted
- May 10, 2024
- Operation
- Air carrier
- Aircraft
- N582UP
- Make and model
- Boeing 7474R7F
- Aircraft serial
- 29053
- Aircraft time
- 112,224 hours, 19,611 cycles
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Motor
- Condition
- Failed
- Location
- Outflow Valve
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.