Service difficulty report · Vhf Antenna · Boeing 777222

Difficulty date
May 18, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N773UA
Make and model
Boeing 777222
Aircraft serial
26929
Engine
Pwa PW4077
Part
Vhf Antenna
Part number
DMC18011
Condition
Cracked
Location
Lwr Fuselage
Part time
6,935 hours
Stage of operation
IN
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

ON WALK-AROUND, FOUND LOWER FORWARD VHF ANTENNA CRACKED COMPLETELY THROUGH. *S/D* MODELS OF ANTENNA, P/N DMC 180-1-1 HAVE DEMONSTRATED SUSCEPTIBILITY TO SPLITTING AND CRACKING. PRODUCTION HAS BEEN DISCONTINUED AND REPLACEMENT ANTENNA WILL BE OF PART NUMBER DMC 50-17. REPLACEMENT WILL BE BY ATTRITION IN CONJUNCTION WITH AN ASSOCIATED ANTENNA RELOCATION PROJECT.