What was found
ETOPS SIGNIFICANT SYSTEM, FOUND LT ISOLATION BYPASS CHECK VALVE SPRING BROKEN. REMOVED AND REPLACED LT ISOLATION BYPASS CHECK VALVE PER AMM 36-11-04. OPS AND LEAK CK OK.
- Difficulty date
- April 2, 2008
- Submitted
- April 4, 2008
- Operation
- Air carrier
- Aircraft
- N591HA
- Make and model
- Boeing 76733A
- Aircraft serial
- 33423
- Aircraft time
- 19,867 hours, 3,824 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Spring
- Condition
- Broken
- Location
- Check Valve
- 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.