Service difficulty report · Skin · Boeing 7377H4

Difficulty date
October 1, 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
Skin
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

LIGHT CORROSION AT AFT PRESSURE DOME FWD SIDE BS 1016, CIRCUMFERENTIAL SKIN SPLICE BETWEEN STRINGERS 26L TO 26R. REMOVED SKIN ATTACH RIVETS AT AFT PRESSURE DOME IAW SRM 53-80-08-1A-1 CORROSION FOUND OUT OF LIMITS IAW SRM 53-80-08-1A-1. REMOVED SPLICE ANGLE IAW SRM 51-40-02-0G-0. FABRICATED SPLICE ANGLE & HEAT TREATMENT IAW DWG 148A2216, & SRM 51-40-05-G-0. TREATED AND PRIMED NEW SPLICE ANGLE IAW AMM 51-21-52-370-804 & SRM 51-20-01-0G-0. INSTALLED RIVETS IAW DWG 147A0070. REINSTALLED BOLTS IAW SRM 51-40-04-0G-0 TABLE B FIG (1). INSTALLED STRINGER TIE IAW SRM 51-40-02-0G-0. SEALED FASTENERS IAW SOPM 20-50-19.

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