Service difficulty report · Flange · Boeing 76734AF

Difficulty date
June 27, 2026
Submitted
July 7, 2026
Operation
Air carrier
Aircraft
N304UP
Make and model
Boeing 76734AF
Aircraft serial
27242
Aircraft time
75,854 hours, 26,134 cycles
Part
Flange
Part number
491B1313032007
Condition
Chafed
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

CHAFED FLANGE, NR 1 ENGINE LT THRUST REVERSER LOWER FWD FAIRING AFT SIDE. REMOVED DAMAGE BRACKET IAW SRM 51-40-02-0G, REV 95. INSTALLED THE NEW BRACKET IAW SRM 51-40-02-0G, REV 95, AND IPC 78-32-21, REV 96.

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