As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EXTERNAL POWER PLUG CAUGHT FIRE AT POWER RECEPTACLE. REPLACED 2 EA INTERCOSTAL, WORKING PAN INSTALLATION THEN WIRING CONNECTS. PAN INSTALLED & SOLD. WIRING ROUTED, E&E RESTORED. POWER IS BACK ON ACFT & WRKG MISC OPS. REVERSER SLEEVES SWAPPED BET 1 & 2 ENG & WIRING OPS CHECKS. FIX ACCOMPLISHED ON WU S9954L.