SDR IPXA2018110735749

Service difficulty report · Controller · Boeing 75724APF

Difficulty date: November 5, 2018
Submitted: November 7, 2018
Operation: Air carrier
Aircraft: N473UP
Make and model: Boeing 75724APF
Aircraft serial: 28846
Aircraft time: 19,203 hours, 12,995 cycles
System (JASC): 2160 · Cabin Temperature Control System
Part: Controller
Condition: Malfunctioned
Location: Cabin Temp
Stage of operation: NR
How discovered: 9
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

COMPT & CMP UNCONTROLLABLE 60-83, FLT DECK, FWD CAD, AFT CABIN, TEMP 00/54/50. AUTO C FULL WARNING ON STBY N TEMP 60/54/50 ON W TEMP 58/52/50. REMOVED & REPLACED ZONE TEMP CONTOLLER IAW AMM 21-63-03-0401. PERFORMED SYSTEM TEST, PRIMARY ZONE TEMP CONTROLLER IAW AMM 21-61-00-705-030. ZONE TEMP SYSTEM CHECKED GOOD IAW 21-61-00-01.

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