Service difficulty report · Former · Boeing 7377H4

Difficulty date
July 28, 2021
Submitted
September 15, 2021
Operation
Air carrier
Aircraft
N447WN
Make and model
Boeing 7377H4
Aircraft serial
33720
Aircraft time
58,733 hours, 34,620 cycles
Part
Former
Condition
Cracked
Location
Wg-Bdy Fairing
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

LT WING TO BODY FAIRING FORMER COMMON TO L/E SKIN. POSSIBLE CRACK EXTENDING OUT FROM FASTENER LOCATION. BS500D; WL190. ; / [01] FOR ACCESS REMOVED STRAP ASSY PN 149A7120-11. IAW SRM 51-40-02-0G-0; [02] REMOVED FAIRING FORMER PN 116A3118U9; COMMON TO L/E SKIN; IAW SRM 51-40-02-0G-0.; [03] LOCATED AND DRILLED NEW PART FAIRING FORMER COMMON TO L/E SKIN IAW SRM 51-40-05-0G-0 AND OK TO INSTALL.; [04] VERIFIED CORRECTIVE ACTION #3<BR>OK TO INSTALL.; [05] INSTALLED NEW PART PN 116A3118U9 IAW SRM IAW SRM 51-40-02-0G-0; DWG 116A3010 AND DWG 149A7101.; [06] VERIFIED INSTALLATION OF PN 116A3118U9 FAIRING FORMER IAW SRM 51-40-02-0G-0; DWG 116A3010 AND DWG 149A7101

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