Service difficulty report · Support Angle · Boeing 7377H4

Difficulty date
July 29, 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
Support Angle
Condition
Cracked
Location
Bs 914 Rbl 12
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

CRACKED SUPPORT ANGLE AT AFT CARGO BAY BEHIND WATER SERVICE PANEL BS914 RBL12 WL171. ; / [01] DAMAGE FOUND ON SUPPORT ANGLE AT AFT CARGO BAY BEHIND WATER SERVICE PANEL BS914 RBL12 WL171; P/N 147A7221-32; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS ON SRM PART WILL BE REPAIRED BY REPLACEMENT IAW SRM 51-10-02-0G-0; PAR. 9.C.; [02] VERIFIED DAMAGE FOUND ON SUPPORT ANGLE AT AFT CARGO BAY BEHIND WATER SERVICE PANEL BS914 RBL12 WL171; P/N 147A7221-32; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS ON SRM PART WILL BE REPAIRED BY REPLACEMENT IAW SRM 51-10-02-0G-0; PAR. 9.C.; [03] REMOVED SUPPORT ANGLE PER SRM 51-40-02; [04] LOCATED AND DRILLED NEW SUPPORT ANGLE (STIFFENER) PER SRM 51-40-05 AND DWG 147A7221; [05] REQUESTING OK TO INSTALL; [06] VERIFIED LOCATED AND DRILLED NEW SUPPORT ANGLE (STIFFENER) PER SRM 51-40-05 AND DWG 147A7221; OK TO INSTALL; [07] INSTALL STIFFENER ANGLE IAW SRM 51-40-02 AND DWG #147A7221; [08] INSTALLED STIFFENER ANGLE IAW SRM 51-40-02 AND DWG #147A7221; [09] CORRECTION FOR CORRECTIVE ACTION ITEM 7: INSTALLED STIFFENER ANGLE PER SRM 51-40-02 AND DWG 147A7221; [10] ADDED PART REQUIREMENT; [11] VERIFIED CORRECTIVE ACTION ITEMS7 THRU 10. JOB COMPLETE PER SRM 51-40-02 AND DWG 147A7221; [12] VERIFIED CORRECTIVE ACTION ITEMS 7 THRU 10. JB COMPLETE PER SRM 51-40-02 AND DWG 147A7221

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