Service difficulty report · Detection Sys · Boeing 7378H4

Difficulty date
January 21, 2025
Submitted
January 27, 2025
Operation
Air carrier
Aircraft
N8550Q
Make and model
Boeing 7378H4
Aircraft serial
63579
Aircraft time
23,501 hours, 12,000 cycles
Part
Detection Sys
Condition
Out Of Tolerance
Location
Zone 500
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

LEFT WING TO BODY OVERHEAT LIGHT ILLUMINATED DURING CLIMB. RAN QRH - LIGHT STAYED ILLUMINATED. LIGHT FLICKERED IN DESCENT AND EVENTUALLY EXTINGUISHED DURING ARRIVAL.<[01] T/S PER FIM 26-18 TASK 802 FOUND BITE CODE 14 STORED IN MEMORY. FOUND NO LEAKS OR EVIDENCE OF LEAKS ON LH LE BLEED. FOUND VOLTAGE OUT OF SPECIAL ON DETECTOR M268. R/R IAW AMM 26-18-02. OPS CK GOOD.;[02] SPECIAL SHOULD BE SPEC

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