Service difficulty report · Overheat Loop · Boeing 737824

Difficulty date
June 23, 2026
Submitted
June 26, 2026
Operation
Air carrier
Aircraft
N86534
Make and model
Boeing 737824
Aircraft serial
62750
Aircraft time
30,735 hours, 11,649 cycles
Part
Overheat Loop
Part number
SEA375086FL0Z
Condition
Faulted
Location
Zone 100
Stage of operation
CR
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

DIVERSION TO GJT. RT WING BODY OVERHEAT. PERFORMED INSPECTION IN RT WING LE AREA & RT PACK BAY. NO BLEED LEAKS NOTED. DEFERRED RHWING-BODY OVERHEAT DETECTOR SYSTEM PER MEL 2613C. FIM 36-18 / 801 HAD FAULT CIDE 64 RT WING LE & ACFT PACK BAY, ALARM. PERF INSP IN RT WING LE AREA & RT PACK BAY. NO BLEED LEAKS NOTED. DEFERRED RT WING-BODY OVERHEAT DETECTOR SYSTEM IAW MEL 2613C. RESISTANT ON D742 PIN 10 TO 11 TO BE WITHIN LIMITS AT 6.8 OHMS. REMOVED AND REPLACED CODCU 26-18-01 NEW UNIT FAILED SHOWING CODE 14 & UNABLE TO RESET. REINSTALLED ORIGINAL UNIT NO CURRENT FAULTS ON. REMOVED AND REPLACED RH FWD STRUT OVERHEAT LOOP M1763 IAW AMM 28-16-02-400-801. OPS. CHKD GOOD. NO DEFECTS NOTED.