Service difficulty report · Attach Angle · Boeing 7377H4

Difficulty date
July 15, 2021
Submitted
August 18, 2021
Operation
Air carrier
Aircraft
N444WN
Make and model
Boeing 7377H4
Aircraft serial
29839
Aircraft time
61,121 hours, 35,983 cycles
Part
Attach Angle
Condition
Corroded
Location
Bs 294-312
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 FSD THRESHOLD ATTACH ANGLE BS 294+12-312+12 RBL52 WL 209 ; / [01] REMOVED CORROSION IN AREA OF 1' BY 1.2' BY 0.012' PER SRM 51-10-02-0G-0 AND SRM 53-10-15-1A-2. OUT OF LIMITS PER SRM 53-10-15-1A-2.; [02] VERIFIED CORRECTIVE ACTION #1; [03] REMOVED FSD THRESHOLD ATTACH ANGLE BS294+12 - BS328 RBL52 WL209 IAW SRM 51-40-02-0G-0; [04] LOCATED AND DRILLED NEW FSD THRESHOLD ATTACH ANGLE PER SRM 51-40-05-0G-0 AND DWG#141A8310 AND OK TO INSTALL; [05] VERIFIED CORRECTIVE ACTION 4 LOCATING AND DRILLING OF NEW FSD THRESHOLD ATTACH ANGLE PER SRM 51-40-05-0G-0 AND DWG#141A8310<BR><BR>OK TO INSTALL; [06] INSTALLED FWD SERVICE DOOR THRESHOLD ATTACH ANGLE PER DWG#141A8310 AND SRM 51-40-02-0G-0; [07] VERIFIED CORRECTIVE ACTION ENTRY 6.; [08] CARD COMPLETE

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