Service difficulty report · Valve · Boeing 767424ER

Difficulty date
June 6, 2026
Submitted
June 8, 2026
Operation
Air carrier
Aircraft
N66051
Make and model
Boeing 767424ER
Aircraft serial
29446
Aircraft time
100,045 hours, 14,209 cycles
Part
Valve
Part number
158000293M0D1
Part serial
6028
Condition
Stuck
Location
Toilet
Part time
54,382 hours, 7,483 cycles
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

L1 LAVATORY CONTINUOUSLY FLUSHING FLUSH VALVE STUCK IN OPEN POSITION. MANUALLY CLOSED. WATER IS SHUT OFF. TOILET IS INOPERATIVE XFD IAW MEL 3830J. R & R LAV TOILET ASSEMBLY IAW AMM 38-32-01. OPS CHECK GOOD. LEAK CHECK GOOD. REMOVED INOP PLACARD FROM LAV. LAVS G AND J NOT FLUSHING OP TEST OF TOILETS G AND J C/O IAW AMM 38-32-00 R148 SATIS. BOTH WORKING PROPERLY