Service difficulty report · Support Bracket · Boeing 7377H4

Difficulty date
July 29, 2021
Submitted
September 14, 2021
Operation
Air carrier
Aircraft
N491WN
Make and model
Boeing 7377H4
Aircraft serial
33867
Aircraft time
53,758 hours, 31,898 cycles
Part
Support Bracket
Condition
Broken
Location
Bs 540 Lbl 5
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

L/H KEEL BEAM FAIRING PANEL SUPPORT BRACKET AT LBL5 BS540+11 WL148 IS BROKEN ; / [01] REMOVED SUPPORT BRACKET AT BS 540+11' LBL5 WL 148 IAW SRM 51-40-02-0G-0.; [02] LOCATED AND DRILLED NEW SUPPORT BRACKET P/N 149A7712-42 AT BS 540+11' LBL5 WL 148 IAW SRM 51-40-02-0G-0 AND DWG 149A7701. OK TO INSTALL.; [03] CORRECTED P/N USED 149A7712-41; [04] VERIFIED LOCATE AND DRILL OF SUPPORT BRACKET PER SRM 51-40-02-0G-0 AND DWG 149A7701- OK TO INSTALL.; [05] INSTALLLED NEW SUPPORT BRACKET P/N 149A7712-41 AT BS 540+11' LBL5 WL 148 IAW SRM 51-40-02-0G-0 AND DWG 149A7701.; [06] VERIFIED INSTALLATION OF THE L/H KEEL BEAM FAIRING SUPPORT FITTING AT BS 540+11 LBL5 WL 148 PER SRM 51-40-02-0G-0 AND DWG 149A7701; [07] WORKSCOPE COMPLETE

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