Service difficulty report · Light · Boeing 737900

Difficulty date
September 7, 2026
Submitted
September 8, 2026
Operation
Air carrier
Aircraft
N904SY
Make and model
Boeing 737900
Aircraft serial
44425
Aircraft time
31,378 hours, 14,009 cycles
Part
Light
Condition
Inoperative
Location
Zone 200
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

22DEF AND 23 DEF SIDEWALL LIGHT WILL NOT TURN ON ( CABIN INTERIOR ILLUMINATION - WITH GUIDES U PHOTOLUMINESCENT EMERGENCY ESCAPE PATH MARKING SYSTEM INSTALLED. REMOVED AND REPLACED 22DEF WINDOW LIGHT REF AMM 33-21-51 OPS CHECK GOOD