Service difficulty report · Water Heater · Boeing 737823

Difficulty date
October 5, 2017
Submitted
October 10, 2017
Operation
Air carrier
Aircraft
N987AN
Make and model
Boeing 737823
Aircraft serial
31069
Aircraft time
26,868 hours, 10,618 cycles
Part
Water Heater
Part number
AR904211
Condition
Overheated
Location
Aft Lavatory
Stage of operation
NR
How discovered
O
Nature of condition
M, J
Precautionary procedure
H

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

What was found

RIGHT AFT LAVATORY WATER HEATER OVERHEATED, CAUSING THE LAVATORY SMOKE DETECTOR TO GO OFF. WATER WAS TURNED OFF. REMOVED AND REPLACED THE WATER HEATER IAW AMM 38-13-01. LEAK AND OPS CHECKED GOOD.