Service difficulty report · Brake Sys · Boeing 75733N

Difficulty date
July 20, 2022
Submitted
July 20, 2022
Operation
Air carrier
Aircraft
N78866
Make and model
Boeing 75733N
Aircraft serial
32591
Aircraft time
63,187 hours, 18,907 cycles
System (JASC)
3242 · Brake
Part
Brake Sys
Part number
2100404300
Part serial
001071965
Condition
Warning Message
Location
Both Eng
Stage of operation
TO
How discovered
O
Nature of condition
O
Precautionary procedure
C

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

What was found

RTO ON 17L AT 125KTS DUE TO HIGH EGT ON BOTH ENGS. BRAKE TEMPS 8 TOGW 229.4 CREW REPORTED A/C WAS ON 1HR BEFORE DEPARTURE, #1 ENG EGT SHOWED 117 BEFORE MOTORING, AND #2 ENG EGT SHOWED 120 BEFORE MOTORING. AT TOP OF COLD RANGE. ALL TIRES WITHIN NORMAL WEAR LIMITS. APPLICATION AND RELEASE. BRAKES HAVE NO EVIDENCE OF HEAT DAMAGE OR FIRE. WHEELS HAVE NO EVIDENCE OF HEAT DAMAGE. AXLES SHOW NO EVIDENCE OF HEAT DAMAGE WITH WHEELS AND BRAKES INSTALLED. ENG/EXCD DISPLAY, ALSO NO EVIDENCE NOTED OF DAMAGE TO EITHER #1 ACCOMPLISHED INSPECTION HIGH ENERGY STOP INSPECTION PROCEDURE LANDING GEAR VISUAL INSPECTIONS ACCOMPLISHED PER AMM THIS LOG PAGE REMAINS OPEN PENDING RESOLUTION OF LMC LP 9100385. OR #2 ENGINE AS GENERAL VISUAL INSPECTION OF TAIL PIPE ACP. (CONDITIONAL INSPECTION-IN FUSE PLUG MELT RANGE). ALL BREAK AND AMM 32-45-04-216-008. AFTER VISUAL INSPECTION ACCOMPLISHED TEMP INDICATIONS "0". ALL FUSE PLUGS INTACT AND TIRE PRESSURES BREAK OPERATIONAL CHECK. ALL PUCKS APPLY AND RELEASE WITH BREAK REFERENCE LOG PAGE 9100385 FOR ALL WORK PERFORMED FDR AND DFDU REPLACED

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