Service difficulty report · Door Sill · 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
Part
Door Sill
Condition
Corroded
Location
R2 Door Area
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CORROSION. ** AFT CABIN R-2 DOOR FLOOR ENTRY LOWER SILL INNER CHORD FROM STA 947.5 TO STA 986.5 MKD ; / [01] REMOVED CORROSION AFT R-2 DOOR FLOOR ENTRY LOWER SILL CHORD FROM STA 947.5 TO STA 986.FOUND OUT LIMITS AREA [EXFOLIATED ] IAW SRM 51-10-02-0G-0. [20] ACCOMPLISHED REPLACED RT INNER CHORD AND INSTALLED RT AFT WEB REF B737-7 SRM 51-40-02-0G-0 AND DWG #147A8501; [21] REMOVED EWISN PROTECTION AT RT REPAIR AREAS REF 737-7 AMM 20-60-07-913-801; [22] CORRECTION STEP. 21 REMOVED EWIS; [23] CHANGED FROM MAJOR TO MINOR REPAIR TYPE; [24] VERIFIED R2 DOOR FLOOR ENTRY LOWER SILL INNER CHORD INSTALLATION & EWIS PROTECTION REMOVAL; [25] C/W; [26] VERIFIED REPLACED RT INNER CHORD STA 947 T0 STA 1007.<BR>VERIFIED INSTALLED RT AFT WEB FROM STA 986.5 TO STA 1016 BETWEEN RBL 45 TO RBL 60.

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