Service difficulty report · Doubler · Boeing 7377H4

Difficulty date
October 31, 2021
Submitted
November 17, 2021
Operation
Air carrier
Aircraft
N774SW
Make and model
Boeing 7377H4
Aircraft serial
27882
Aircraft time
69,284 hours, 41,071 cycles
Part
Doubler
Part number
143A32334
Condition
Corroded
Location
Fuselage
Stage of operation
IN
How discovered
9
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 CORROSION AT FWD CARGO COMP BILGE AREA M2134 'NATS AIRPHONE ANTENNA' DOBBLER BETWEEN STA 500 AND 500A STGR 28L AND STGR 28R .INSTALLED PROTECTION OF EWIS AT FWD CARGO IAW AMM 20-60-07-913-801. REMOVED EXTERIOR COVER DOUBLE PLATE ATTACHED WITH 6 (EA) FASTENERS IAW SRM 51-40-02-0G-0. REMOVED ANTENNA DOBBLER AT FWD CARGO BILGE AREA IAW SRM 51-40-02-0G-0. INSTALLED NEW DOUBLEIAW SRM 51-40-02-0G-0 IPC 53-42-00-24 & DWG 143A3233. INSTALLED COVER REMOVED ON STEP #2 IAW SRM 51-40-02-0G-0. REMOVED PROTECTION OF EWIS INSTALLED ON STEP #1 IAW AMM 20-60-07-913-801. REMOVED AND REPLACED DOUBLE IAW SRM 51-40-02-0G-0 IPC 53-42-00-24 AND DWG 143A3233.

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