As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAINTENANCE CREW HAD A REPORT THAT THE LT ENGINE IGNITION SYSTEM FAILED. VERIFIED THAT THERE WAS NO IGNITION OPERATION WHEN SELECTED TO THE IN THE ON POSITION. TROUBLESHOOTING A COLD SOLDERED CONNECTION ON ONE PIN OF THE LT IGNITION SWITCH. SOLDERED WIRE TO PIN 1AW. OPERATIONAL CHECKS SATISFACTORY.