SDR AALA202110293270

Service difficulty report · Windshield · Boeing 737*

Difficulty date: October 26, 2021
Submitted: October 29, 2021
Operation: Air carrier
Aircraft: N913NN
Make and model: Boeing 737*
Aircraft serial: 29571
Aircraft time: 26,161 hours, 10,840 cycles
System (JASC): 5610 · Flight Compartment Windows
Part: Windshield
Condition: Cracked
Location: Zone 200 - Fuse
Stage of operation: NR
How discovered: V
Nature of condition: J
Precautionary procedure: K

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

What was found

AIRCRAFT WAS GROUNDED: L1 WINDOW OVERHEAT LIGHT ILLUMINATED FOLLOWED BY WINDSHIELD (OUTER PANE) CRACKING. CRACKING CONTINUED THROUGHOUT REMAINDER OF FLIGHT. REMOVED AND REPLACED WINDOW HEAT CONTROLLER (M321) (AALA202110275287) FOR LEFT FRONT 1 WINDOW PER AMM 30-41-11-400-801 OPERATIONS CHECK NORMAL PER AMM 30-41-00, REMOVED AND REPLACED LEFT WINDOW PER AMM WORK CARD 08C21156001 OPERATIONS CHECK GOOD.