Service difficulty report · Water Heater · Boeing 737824

Difficulty date
July 24, 2023
Submitted
July 31, 2023
Operation
Air carrier
Aircraft
N77525
Make and model
Boeing 737824
Aircraft serial
31659
Aircraft time
42,011 hours, 14,511 cycles
Part
Water Heater
Part number
CDSP16331
Condition
Leaking
Location
Aft L/H Lav-E
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
O

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

What was found

AFT LAV FLOODED. AFT LEFT LAV-D WATER HEATER LEAKING AND CREATED A VERY LARGE WATER LEAK RUNNING DOWN TO CARGO PIT AND COMING OUT OF BELLY DRAINS. SEE LOG 5261867 FOR CLEAN UP AND LOG 5261798 FOR LAV-D SINK INOP. AFT LAV-D WATER HEATER INOP -- S/OFF VALVE TO TOILET ONLY -- NO LEAKS -- DDP C/W -- OPENED & COLLARD C/B ON P18-3-- REQUEST ADD EMP:U239124.DEFERRAL AFT LAV- D WATER HEATER INOP -- MEL APPLIED -- ADD EMP:U239124 PART NIS STA. TOMC APPROVED IAW MEL 3801F REMOVED AND REPLACED WATER HEATER REF AMM 38-13-01. OPS CHECK GOOD. NO LEAKS NOTED. PARTS USED: 58-2540-3-0016,QTY :1.