As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LIGHT BETWEEN SEATS 7 AND 9 OVERHEATED AND MELTED RUBBER HEAT GUARD. DURING APPROACH THE SEAT BELT SIGN WAS TURNED ON AND ALL ASSOCIATED LIGHTS IN THE CABIN WERE GETTING ABOVE NORMAL TEMPS. VERIFIED DISCREPANCY AND FOUND WRONG PN LAMP INSTALLED. INSTALLED NEW CUSTOMER SUPPLIED LAMP PN GE1308 LAMP. OPS CHECKS GOOD IAW AMM 33-20-00. (NOTE CORRECTIVE ACTION DID NOT SAY WHAT PART NUMBER WAS INCORECTLY INSTALLED.)