Service difficulty report · Channel · Boeing 7377H4

Difficulty date
May 2, 2023
Submitted
June 1, 2023
Operation
Air carrier
Aircraft
N285WN
Make and model
Boeing 7377H4
Aircraft serial
32536
Aircraft time
51,630 hours, 31,054 cycles
Part
Channel
Condition
Corroded
Location
Zn 800 Door
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 FWD SERVICE DOOR MOPSILL VERTICAL SURFACE BS 310-330; LOWER SURFACE BS 337 RBL 56-58 WL 208-209.<[01] SRM 53-10-15-1A-2 IS APPLICABLE ALLOWABLE DAMAGE; UPDATED TABLE.;[02] REMOVED CORROSION ON FWD SERVICE DOOR MOPSILL VERTICAL SURFACE STA 310-330; LOWER SURFACE STA 337; RBL 56-58; WL 208-209 PER SRM 51-10-02-0G-0. MAX MATERIAL REMOVED WAS .020' 3' BY 1' FROM .080'. OUT OF LIMITS PER SRM 53-10-15-1A-2.;[03] VERIFIED CORRECTIVE ACTION 1 AND 2;[04] REMOVED DAMAGED FWD SERVICE DOOR MOP SILL BETWEEN STA 259 - 360; RBL 56-58 WL 208-209. PER SRM 51-40-02.;[05] LOCATED AND DRILLED NEW FWD SERVICE DOOR MOPSILL P/N 654A0004-106 IAW SRM 51-40-05-0G-0 AND DWG 141A8310. OK TO INSTALL.;[06] VERIFIED CORRECTIVE ACTION 5.<BR>OK TO INSTALL;[07] INSTALLED 100% TEMP AND PERMANENT FASTENERS ON NEW FWD SERVICE DOOR MOPSILL STA 259 - 360; RBL 56-58 WL 208-209 BEFORE SQUEEZE OUT TIME EXPIRE ON 13 MAY 2023 20:00 UTC SEALANT USED BMS 5-95 C-20 IAW SRM 51-40-02-0G-0; DWG 141A8310 AND SOPM 20-50-19;[08] VERIFIED CORECCTION ACTION ITEM 7.;[09] INSTALLED NEW FWD SERVICE DOOR MOPSILL STA 259 - 360; RBL 56-58 WL 208-209 IAW SRM 51-40-02-0G-0; DWG 141A8310;[10] VERIFIED CORRECTION ITEM 9 AND MEASUREMENT TABLE CARD COMPLETE.

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