What was found
ETOPS - TEMP AT AFT CABIN STAYED AT 84 DEGREES F THROUGHOUT THE FLIGHT. CHANGES TO THE TEMP SETTING HAD NO EFFECT. REMOVED AND REPLACED TRIM AIR VALVE PER AMM 21-63-51. OPS + LEAK CHECK GOOD. OK FOR SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ETOPS - TEMP AT AFT CABIN STAYED AT 84 DEGREES F THROUGHOUT THE FLIGHT. CHANGES TO THE TEMP SETTING HAD NO EFFECT. REMOVED AND REPLACED TRIM AIR VALVE PER AMM 21-63-51. OPS + LEAK CHECK GOOD. OK FOR SERVICE.