Service difficulty report · Antenna · Boeing 76734AF

Difficulty date
June 24, 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
Antenna
Part number
174T11032
Condition
Eroded
Location
Zone 300
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

FOUND V.S.T HF ANTENNA (321E) EROSION. REMOVE THE EROSION MATERIALS AND CLEAN. BOND THE REPAIR PLIES WITH FILM ADHESIVE CURED AT 260 F FOR 130 MINUTES WITH MINIMUM VACUUM OF 22 IN/HG.

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