Service difficulty report · Doubler · Boeing 7377H4

Difficulty date
February 8, 2020
Submitted
August 10, 2021
Operation
Air carrier
Aircraft
N419WN
Make and model
Boeing 7377H4
Aircraft serial
29824
Aircraft time
62,206 hours, 36,633 cycles
Part
Doubler
Condition
Damaged
Location
Antenna
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

LT TWLU-S-BAND ANTENNA DOUBLER HAS MATERIAL LOSS AND ELONGATED HOLES. / UPON FURTHER INSPECTION OF THE DOUBLER AND FUSELAGE SKIN FOUND ONLY 2 EACH HOLES ELONGATED SLIGHTLY PER SRM 51-10-02. (FWD HOLE AND I/B MIDDLE HOLE) OVERSIZED TO 0.1875' PER SRM 51-40-02. REF TSR TRK# 20200010467. DOUBLER AND BLANKING PLATES INSTALLED PER SRM 51-40-02 AND M/M 20-50-11.

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