As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER SHUTDOWN DRIVE LIGHT ON NR 1 ENGINE IDG DOES NOT ILLUMINATE. REF WDM 24-11-11 AT IDG CONN DP1203 CONF OP OF NR 1 DRIVE LIGHT WITH JUMPER AT PINS 5 & 6. SUSPECT BAD IDG CHARGE PRESSURE SWITCH. REPLACED IDG IAW AMM 24-11-11-400-801 AND 000-80. PERFORMED IDG INST TESTS IAW AMM 71-00-00-800-811-F00 & 24-11-00-700-802 OPS CHECKED GOOD. PERFORMED IDG DISCONNECT AND RESET CHECK IAW AMM 24-11-11-700-801.