Service difficulty report · Control Unit · Boeing 7378

Difficulty date
August 15, 2026
Submitted
August 20, 2026
Operation
Air carrier
Aircraft
N8845L
Make and model
Boeing 7378
Aircraft serial
67794
Aircraft time
11,875 hours, 6,318 cycles
Part
Control Unit
Condition
Intermittent
Location
Overheat Sys
Stage of operation
UK
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

RIGHT WING TO BODY OVERHEAT INOPERATIVE & ALL DETECTOR UNITS FAILING ON THE RT SIDE. OVERHEAT DETECTION CONTROL UNIT SHOWS INTERNAL FAULT. R & R WTB COMPT OVERHEAT DETECTION CONTROL UNIT IAW AMM 26-18-01. OPS CHKD GOOD.

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