Service difficulty report · Channel · Boeing 7377H4

Difficulty date
September 30, 2020
Submitted
August 16, 2021
Operation
Air carrier
Aircraft
N430WN
Make and model
Boeing 7377H4
Aircraft serial
33659
Aircraft time
61,499 hours, 36,261 cycles
Part
Channel
Condition
Corroded
Location
Bs 950-986
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*** ON AFT ENTRY DOOR MOP SILL AT B.S. 950-986; L.B.L. 52; W.L. 208.1. / REMOVED CORROSION ON AED MOPSILL BS 950-986 LBL 52 ORIGINAL THICKNESS .080' MAT LOSS MORE THAN 30% IN AN AREA OF 30' X-2'.0 FOUND TO BE OUT OF LIMITS IAW SRM 53-70-15-1A-1; REMOVED AND REPLACED AED MOP SILL IAW SRM 51-40-02 DWG # 147A8501

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