SDR UIEA2020062901449

Service difficulty report · Control System · Boeing 767306

Difficulty date: June 27, 2020
Submitted: June 29, 2020
Operation: Air carrier
Aircraft: N1399A
Make and model: Boeing 767306
Aircraft serial: 27959
Aircraft time: 91,542 hours, 17,725 cycles
System (JASC): 2160 · Cabin Temperature Control System
Part: Control System
Condition: Malfunctioned
Location: Main Deck Temp
Stage of operation: TX
How discovered: O
Nature of condition: O
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

UNABLE TO CONTROL MAIN DECK CARGO TEMP, FWD TEMP MX + 9* , AFT TEMP MAX +13* , FLIGHT DECK FROM VALVE FULL OPEN TO MAINTAIN ADEQUATE TEMP. PERFORMED FIM 21-60 FT 804, NO FAULTS NOTED ON ZONE TEMP CONTROLLER. PERF OPS CHECK ON TEMP CONTROL VALVES, SYSTEM OPERATES NORMAL IAW AMM 21-61-06.