Service difficulty report · Angle · Boeing 7377H4

Difficulty date
June 14, 2022
Submitted
July 14, 2022
Operation
Air carrier
Aircraft
N488WN
Make and model
Boeing 7377H4
Aircraft serial
33853
Aircraft time
59,468 hours, 35,169 cycles
Part
Angle
Condition
Corroded
Location
Fuselage
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 PASSENGER CABIN SCALE ANGLE AT LBL 60 BS 312+7; BS 312+10; BS 312+13; BS 328+3; BS 328+5; BS 328+10. FWD ENTRY MOP SEAL ATTACH ANGLE. / [01] PARTIALLY COMPLETED STEPS 1-6;[02] STEPS 1 - 6 COMPLETE.<BR> <BR>VERIFIED ALL AREAS OF CORROSION NOTED ARE OUT OF LIMITS PER SRM 53-10-15-1A-1<BR><BR>VERIFIED MEASUREMENT TABLE ENTRIES ARE CORRECT.;[03] REMOVED PASSENGER CABIN SCALE ANGLE (FED MOP SILL ATTACHED ANGLE) BS 308 TO BS 342.5 ; LBL 60 ; WL 209 IAW SRM 51-40-02-0G-0;[04] RECEIVED FED MOP SILL ATTACHED ANGLE P/N 141A8112-20 IAW SRM 51-40-05-0G-0 AND DWG# 141A8110 OK TO INSTALL;[05] VERIFIED CORRECTIVE ACTION ITEMS 3 AND 4.<BR>OK TO INSTALL;[06] INSTALLED FED MOP SILL ATTACHED ANGLE P/N 141A8112-20 IAW SRM 51-40-05-0G-0 AND DWG# 141A8110;[07] VERIFIED CORRECTIVE ACTION ITEM 6.;[08] VERIFIED FAULT COMPLETE

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