As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR INTERRUPT, RETURNED & EMER DECLARED. LANDING UNEVENTFUL & ACFT WAS OVERWEIGHT. DURING CLIMB CREW REPORTED LT ENG HAS HIGH EXHAUST GAS TEMP. ANNUNCIATOR EXTINGUISHED AFTER RETARDING THE THROTTLE. R & R LT ENG HI STAGE PNEUMATIC VLV & HP6 AIR OUTLET DUCT IAW AMM 36-11-01. PERFORMED TEST NR 3 IP & HP COMPRESSOR AIR FLOW IAW TASK 71-00-00. SYS CHECKED NORMAL.