SDR CA150817012

Service difficulty report · Lavatory · Boeing 767333

Difficulty date: August 14, 2015
Submitted: April 22, 2016
Operation: General aviation
Make and model: Boeing 767333
Aircraft time: 86,077 hours
Engine: Pwa PW4060
System (JASC): 3830 · Waste Disposal System
Part: Lavatory
Condition: Blocked
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

(CAN) AFTER DEPARTURE 4 OUT OF 6 LAVS STOPPED WORKING. SUSPECT FWD LAV WASTE TANK DID NOT DUMP PRIOR TO DEPARTING DUE TO BLOCKAGE, MAINTENANCE CONFIRMED BOTH TANKS NOW EMPTY. FWD TANK INTERIOR INSPECTED FOR FOD. SENSORS CONFIRMED CLEAN. BITE TEST OF INDICATION SYSTEM C/O NO FAULTS, WASTE DUMP SYS OPERATING NORMALLY. TOILETS OPERATING NORMALLY AFTER FWD TANK BLOCKAGE CLEARED.