SDR IPXA2026062158828

Service difficulty report · Antenna · Boeing 76734AF

Difficulty date: June 14, 2026
Submitted: June 23, 2026
Operation: Air carrier
Aircraft: N334UP
Make and model: Boeing 76734AF
Aircraft serial: 32844
Aircraft time: 63,875 hours, 21,184 cycles
System (JASC): 2300 · Communications System
Part: Antenna
Part number: 174T110332
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 VST HF ANTENNA (321E) ERODED. IAW NDT MANUAL PART 1, 51-01-01 & PART 4, 51-00-03, REV.143 TO PERFORM NDT/UT FOR THE POST REPAIRED AREA INCLUDED THE AREA WAS HOT PLUS WITHIN 6" ALL AROUND. NO DEFECT FOUND. I.A.W AMM 55-35-01-404-006 REV.148 INSTALL V.S.T HF ANTENNA 321E.

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