SDR CALA2019081601365

Service difficulty report · Fuse · Boeing 757224

Difficulty date: August 14, 2019
Submitted: August 16, 2019
Operation: Air carrier
Aircraft: N18112
Make and model: Boeing 757224
Aircraft serial: 27302
Aircraft time: 93,416 hours, 22,190 cycles
System (JASC): 3350 · Emergency Lighting
Part: Fuse
Condition: Failed
Location: Emergency Lights
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

EMERGENCY PATH LIGHTS ON ROWS 7-31 ARE INOP. RELAMPED EMERGENCY ESCAPE PATH LIGHTS ON ROWS 7 AND 8 AND REMOVED AND REPLACED PATH LIGHT ASSY. AT ROW 12 IN REF. WITH AMM 33-51-11. WHILE TROUBLESHOOTING FOUND POWER SUPPLY FUSES OPENED ON M10919 AND M10699 POWER SUPPLY ASSY. REMOVED AND REPLACED FUSES F1 AND F4 IN REF. WITH AMM 33-51-07. ALL OPS CHECKS ARE GOOD. ALL EMERGENCY LIGHTS OPERATE OKAY AT THIS TIME.