SDR UALA2011113006577

Service difficulty report · Hose · Boeing 747422

Difficulty date: November 30, 2011
Submitted: November 30, 2011
Operation: Air carrier
Aircraft: N122UA
Make and model: Boeing 747422
Aircraft serial: 29168
Aircraft time: 51,543 hours, 6,130 cycles
Engine: Pwa PW4056
System (JASC): 3810 · Potable Water System
Part: Hose
Condition: Leaking
Location: Lavatory
Stage of operation: IN
How discovered: O
Nature of condition: K
Precautionary procedure: K

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

What was found

CREW REPORT: RUNNING WATER LEAK INSIDE LAV 105 REF DF872 WATER SOV SHOULD ALREADY BE IN OFF POSITION. SAMC TEXT: F/O CONFIRMED SOV IS IN THE OFF POSN, WATER STILL LEAKING. MAINT PLZ DEBRIEF FLT CREW UPON LANDING. :REF PTT 5432015 AND 5432016 FOR HOSES REPLACED TO WATER HEATER AND TOILET. SYS WAS PRESSURIZED FOR 3 HRS WITH NO LEAKS. TOILET AND WTR HEATER WERE REPLACED. DRAINS WERE CHECKED AND NO LEAKS FOUND.