SDR DL757100023

Service difficulty report · Ballast · Boeing 757232

Difficulty date: January 4, 2010
Submitted: January 8, 2010
Operation: Air carrier
Aircraft: N641DL
Make and model: Boeing 757232
Aircraft serial: 23995
Aircraft time: 71,337 hours, 31,314 cycles
System (JASC): 3320 · Passenger Compartment Lighting
Part: Ballast
Condition: Smoke
Location: Cabin Lights
Stage of operation: AP
How discovered: O
Nature of condition: B
Precautionary procedure: H

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

What was found

MULTIPLE ELECT FAILURE AND ELECTRICAL SMOKE OCCURED DURING APPROACH. F/C LIGHTS BLINKED REPEATEDLY DURING EVENT. SMOKE WAS FROM ROW 5 FWD. STRONGEST ON LT SIDE. LOWERED ALL PSU IN FIRST CLASS CABIN. INSPECTED WIRING AND PSU FOR DAMAGE AND EVIDENCE OF SMOKE. NON NOTED. OPENED O/H PANELS. NO DAMAGE OR EVIDENCE OF SMOKE. FOUND 2 EA LOWER SIDEWALL LIGHT BALLAST AT ROW 4 AND 6 HOT. R & R WITH SAME. RESECURED PSU AND OVERHEAD PANELS. OK FOR SERVICE MCO PLAC RMVD.