Service difficulty report · Heater · Boeing 747422

Difficulty date
January 27, 2012
Submitted
February 20, 2012
Operation
Air carrier
Aircraft
N107UA
Make and model
Boeing 747422
Aircraft serial
26900
Aircraft time
55,466 hours, 6,641 cycles
Engine
Pwa PW4056
Part
Heater
Part number
8921340G1
Part serial
3362
Condition
Leaking
Location
Water System
Stage of operation
CR
How discovered
O
Nature of condition
K
Precautionary procedure
O

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

What was found

WATER LEAK, FLIGHT DIVERTED. CREW REPORT HEAVY WATER LEAK FROM UPPER DECK TO FIRST CLASS AREA. CARPETS HAVE STANDING WATER. FOUND WATER HEATER PRESSURE VALVE LEAKING. RPLC'D HEATER PER MM.