Service difficulty report · Sill Drain · Boeing 7377H4

Difficulty date
May 28, 2024
Submitted
July 2, 2024
Operation
Air carrier
Aircraft
N260WN
Make and model
Boeing 7377H4
Aircraft serial
32518
Aircraft time
58,479 hours, 34,921 cycles
Part
Sill Drain
Part number
UNKNOWN
Condition
Corroded
Location
Bs 807-827 Rbl23
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 CARGO LOWER DOOR SILL BS 807-827; RBL 23; WL 156<[01] REMOVED AFT CARGO LOWER DOOR SILL IAW SRM 51-40-02<BR><BR>LOCATED AND DRILLED NEW AFT CARGO LOWER DOOR SILL IAW SRM 51-40-05 AND DWG 146A8340;[02] REMOVED AND REPLACED ACB LOWER DOOR SILL (SUB-THRESHOLD WEB) IAW SRM 51-40-02 AND DWG 146A8340;[03] VERIFIED CORRECTIVE ACTION COMPLETE.<BR>VERIFIED MEASUREMENT TABLE.

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