Service difficulty report · Relief Valve · Boeing 737890
FAA SDR system
- Difficulty date
- March 2, 2011
- Submitted
- March 8, 2011
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35190
- Aircraft time
- 11,636 hours, 3,813 cycles
- Part
- Relief Valve
- Part number
- 7207376
- Part serial
- 2007121565
- Condition
- Malfunctioned
- Location
- Cabin Pressure
- Part time
- 11,640 hours, 3,814 cycles
- Stage of operation
- IN
- 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.
What was found
OUTBOARD (RT) POSITIVE PRESS RELIEF VALVE FAILED TEST LOOSE SEAL INSIDE VALVE. REMOVED AND REPLACED POSITIVE PRESSURE RELIEF VALVE REF B737NG AMM 21 32 01. POSITIVE PRESSURE RELIEF VALVE SYSTEM TEST GOOD REF B737NG AMM 21 32 01 700 801.