Service difficulty report · Pcb · Boeing 75733N

Difficulty date
August 17, 2025
Submitted
August 19, 2025
Operation
Air carrier
Aircraft
N57862
Make and model
Boeing 75733N
Aircraft serial
32586
Aircraft time
64,862 hours, 19,321 cycles
Part
Pcb
Part number
285N002837
Part serial
D15441
Condition
Faulted
Location
Nr 2
Part time
59,119 hours, 17,147 cycles
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

R OVHT DET STATUS MSG FOLLOWED BY R ENG OVHT CAUTION. COMPLIED W ITH QRH. WENT AWAY WITH IDLE DEBRIEFED FLIGHT CREW, ADVANCED THROTTLES AT LANDING, MSG DID NOT REAPPEAR. HAS HISTORY REF LP 5883831. PERFORMED FLOWCHART 26-11 FAULT TREE 803. VERIFIED NO PRESSURE RELIEFE DOORS#2 ENG WERE OPEN ON WALKAROUND. PERFORMED 26-11 FAULT TREE 802 ENG OVHT BITE TEST NO FAULTS NOTED. PERFORMED RIGHT ENG EEC BITE CHECK AMM REF 73-21-00-902-001-R01 FAULT D8 SHOWS BUT HAS NO SYSTEM EFFECTS. LEAK CHECKED ALL PNEUMATIC DUCTING FOR #2 ENGINE & PYLON REF AMM 36-11-09-782-030-001. NO LEAKS FOUND LEAK CHKD GOOD IN PREVIOUS HISTORY IT WAS SUGGESTED TO REPLACE AFOLTS CARD #5 AS PRECAUTIONARY. R & R AFOLTS CARD 5 M10426 IRT AMM 26-10-01-024-001 OVHT TESTS PASSED. SUGGEST HIGH-POWER RUN-ON ENGINE #2 TO CHECK FOR OVERHEAT LIGHT.CIRCUIT, RAN #2 ENG AT TAKEOFF POWER FOR SEVERAL MINUTES, NUMEROUS TIMES. NO OVERHEAT STATUS MSG OR CAUTION DURING RUN.

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