What was found
LOSS OF CABIN PRESSURE. LOWER POSITIVE PRESSURE RELIEF VALVE FOUND OPEN. REPLACED VALVE, OPS CHECKED OK. RETURNED AIRCRAFT TO SERVICE.
- Difficulty date
- October 18, 2005
- Submitted
- October 25, 2005
- Operation
- Air carrier
- Aircraft
- N556UA
- Make and model
- Boeing 757222
- Aircraft serial
- 26650
- Aircraft time
- 44,730 hours, 16,405 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Relief Valve
- Condition
- Open
- Location
- Cabin Pressure
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- W
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.