Service difficulty report · Hinge · Boeing 76734AF

Difficulty date
June 13, 2026
Submitted
June 18, 2026
Operation
Air carrier
Aircraft
N353UP
Make and model
Boeing 76734AF
Aircraft serial
37877
Aircraft time
33,057 hours, 12,133 cycles
Part
Hinge
Part number
313T33255
Condition
Worn
Location
Zone 400
Stage of operation
IN
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

WORN OUT, BEARING, NR 1 PYLON LT FAIRING DOOR NO.4 HINGE. IAW BAC5117-18 REV. D PERFORMED BONDING RESISTANCE TEST BETWEEN THE FASTEREN HEAD AND THE STRUCTURE, THE TEST VALUE 0.634 MILLI OHM, PASSED. INSTALLED NEW HINGE I.A.W SRM 51-40-02-0G REV. 95 AND BOEING DWG NO. 313T3340 SH. 56 REV. -.

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