Service difficulty report · Doubler · Boeing 747422

Difficulty date
August 5, 2011
Submitted
September 6, 2011
Operation
Air carrier
Aircraft
N178UA
Make and model
Boeing 747422
Aircraft serial
24385
Aircraft time
87,438 hours, 10,619 cycles
Engine
Pwa PW4056
Part
Doubler
Part number
141U112513
Condition
Corroded
Location
Fuselage
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 UPPER TCAS ANTENNA DOUBLER CORRODED. RMV'D DBLR ORDERED DOUBLER RPR KIT, 141U1125-13 ON M1805, STERLING DEL FROM BACO SEA ETA 1000. CONT ADS-B WIRICOA. *DOR* ARV: 04-1025 PRI-O/CUR-P SPFLT: OSTFS: 1 EST=02 RTG: 863-07 2250 SYD DF/CF: 0/1 EWAS:1800-05 CHG:1602-04