SDR 2008UALA00784

Service difficulty report · Wire · Boeing 777222

Difficulty date: February 10, 2008
Submitted: February 14, 2008
Operation: Air carrier
Aircraft: N228UA
Make and model: Boeing 777222
Aircraft serial: 30556
Aircraft time: 24,405 hours, 3,148 cycles
Engine: Pwa PW4090
System (JASC): 2497 · Electrical Power System Wiring
Part: Wire
Condition: Sparks
Location: Galley
Stage of operation: NR
How discovered: O
Nature of condition: W, B
Precautionary procedure: O

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

What was found

FAINT BURNING ODOR DETECTED FROM OVEN R31. NO ODOR WITH POWER OFF. INSIDE OF THE R31 OVEN WAS CLEAN. NO BURNING ODOR FROM OVEN. ONE ELECTRICAL TERMINAL IN THE CHILLER FOOD CART DOCK (COMPARTMENT 300) WAS BROKEN LOOSE. DAMAGE CAUSED SPARK AND BURNING ODOR. TRACED PROBLEM TO LOOSE TERMINAL BLOCK. SECURED TERMINAL BLOCK AND TESTED CART. NO FURTHER SPARKS OR ODOR. SUSPECT DAMAGE DUE TO ITEMS IMPACTING TERMINAL BOARD DURING USAGE.