What was found
FWD AND AFT VAC WASTE TANK CHECK VALVES HAVE CORROSION ON INNER SURFACE. REMOVED AND REPLACED FWD AND AFT VACUUM WASTE TANK CHECK VALVE ASSY'S PER MM 38-32-36. NO DEFECTS NOTED.
- Difficulty date
- May 30, 2017
- Submitted
- June 7, 2017
- Operation
- Air carrier
- Aircraft
- N819DX
- Make and model
- Boeing 75726D
- Aircraft serial
- 33959
- Aircraft time
- 31,909 hours, 17,553 cycles
- System (JASC)
- 3830 · Waste Disposal System
- Part
- Check Valve
- Condition
- Corroded
- Location
- Waste Tank
- 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.