SDR SWAA2022010657909

Service difficulty report · None · Boeing 7377H4

Difficulty date: January 4, 2022
Submitted: January 6, 2022
Operation: Air carrier
Aircraft: N452WN
Make and model: Boeing 7377H4
Aircraft serial: 29846
Aircraft time: 60,081 hours, 35,724 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: None
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

CORROSION SPOTS ON CABIN FLOOR WEB AFT WET AREA B.S. 1006+9 L.BL. 40'. (51-002). REMOVED CORROSION AT AFT CABIN FLOOR WEB AT STA 1006+9 AND LBL 40' IAW SRM 53-70-51-1A-1-A00108. REMOVED SHEAR WEB CORROSION WAS EXFOLIATING WEB IS OUT OF LIMITS IAW 51-40-02-0G-0. LOCATED & DRILLED A NEW WEB IAW SRM 51-40-05-0G-0 AND DWG 147A5600. PARTIALLY INSTALLED FLOOR WEB IAW SRM 51-40-02-0G-0. COMPLETED INSTALLATION OF CABIN FLOOR WEB IAW SRM 51-40-02-0G-0 AND DWG 147A5600.

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