SDR SWAA2021122245982

Service difficulty report · Support · Boeing 7377H4

Difficulty date: November 19, 2021
Submitted: December 22, 2021
Operation: Air carrier
Aircraft: N461WN
Make and model: Boeing 7377H4
Aircraft serial: 32465
Aircraft time: 59,271 hours, 35,159 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Support
Condition: Corroded
Location: Fuselage
Stage of operation: UK
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

CORROSION ON AFT CABIN WET AREA FLOORBEAM UPPER FLANGE FASTENER HOLE, LBL43 BS 986.5 REMOVED CORROSION FROM AFT CABIN WET AREA FLOOR SUPPORT BEAM UPPER FLANGE FASTENERS HOLE IAW SRM 51-10-02-0G-0. PERFORMED SHOT PEENED PROCEDURE ALONG THE CUT EDGES OF THE REPAIR AREA PER SOPM 20-10-03. INSTALLED FASTENERS TEE ANGLE IAW SRM 53-70-51-2R-4, REPAIR 4,

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