Service difficulty report · Sliding Window · Boeing 737401

Difficulty date
April 3, 2013
Submitted
April 4, 2013
Operation
Air carrier
Aircraft
N420US
Make and model
Boeing 737401
Aircraft serial
23987
Aircraft time
65,291 hours, 43,725 cycles
Part
Sliding Window
Part number
5717623115
Part serial
1251AL
Condition
Malfunctioned
Location
Cockpit
Part time
62,558 hours, 40,090 cycles
Stage of operation
NR
How discovered
O
Nature of condition
B
Precautionary procedure
K

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

What was found

CAPTAIN'S NR 2 WINDOW HAS DELAMINATION IN UPPER RIGHT CORNER AND APPEARS TO HAVE HAD ARCING IN THE BOTTOM LEFT CORNER. MAINTENANCE REMOVED AND REPLACED CAPTAIN'S SLIDING WINDOW IAW AMM 56-12-11, PB 401 AND RIGGING IAW AMM 56-12-11-825-001. ALSO, REMOVED AND REPLACED CAPTAIN'S SLIDING WINDOW HEAT CONTROL UNIT PER AMM 30-41-11, PB 501. CHECKS OK. GROUND PRESSURIZED AIRCRAFT - NO LEAKS NOTED.