Service difficulty report · Support · Boeing 7377H4

Difficulty date
May 29, 2021
Submitted
July 1, 2021
Operation
Air carrier
Aircraft
N942WN
Make and model
Boeing 7377H4
Aircraft serial
36648
Aircraft time
39,538 hours, 23,971 cycles
Part
Support
Condition
Corroded
Location
Bs 787-807 S25r
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 LOWER SILL PLATE BTW BS 787 TO BS 807 AT LEVEL STR 25R ON RBBL 19 AT AFT CARGO COMPARTMENT ; 2021-255300 / [01] TOOLS USED: DIGITAL CALIPER P/N: 500-197-30; S/N:A18135102; DUE DATE: 02 JAN 21 AND DEPTH GAGES P/N:547-218S S/N:001987; DUE DATE: 12 JAN 22.; [02] TOOL USED P/N: 45MG S/N: 130063701 DUE DATE: 11-MAY-22.; [03] REPLACED LOWER SILL PLATE BTW BS 787 TO BS 807 AT LEVEL STR 25R ON RBBL 19 AT AFT CARGO COMPARTMENT IAW SRM B737-700 51-10-02;51-40;02 AND DRAWING 146A0081-9; [04] REPLACED LOWER SILL PLATE BTW BS 787 TO BS 807 AT LEVEL STR 25R ON RBBL 19 AT AFT CARGO COMPARTMENT IAW SRM B737-700 51-10-02;51-40;02 AND DRAWING 146A0081-9 REV C; [05] REPLACED LOWER SILL PLATE BTW BS 787 TO BS 807 AT LEVEL STR 25R ON RBBL 19 AT AFT CARGO COMPARTMENT IAW SRM B737-700 51-10-02;51-40;02 AND DRAWING 146A0081-9 REV C; [06] REPLACED LOWER SILL PLATE BTW BS 787 TO BS 807 AT LEVEL STR 25R ON RBBL 19 AT AFT CARGO COMPARTMENT IAW SRM B737-700 51-10-02;51-40;02 AND DRAWING 146A0081-9 REV C; [07] REPLACED LOWER SILL PLATE BTW BS 787 TO BS 807 AT LEVEL STR 25R ON RBBL 19 AT AFT CARGO COMPARTMENT IAW SRM B737-700 51-10-02;51-40;02 AND DRAWING 146A0081-9 REV C RII

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