Service difficulty report · Support Bracket · Boeing 7377H4

Difficulty date
August 2, 2021
Submitted
September 15, 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
Corroded
Location
Bs 906
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 RAIL SUPPORT AT AFT CARGO BAY BS906 LBL8 WL166. ; / [01] EVALUATED CORROSION; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0; [02] VERIFIED CORRECTIVE ACTION ENTRY 1.; [03] REMOVED RAIL SUPPORT BS 906 LBL 8 WL 166 PER SRM 51-40-02-0G-0.; [04] LOCATED AND DRILLED THE NEW SUPPORT BRACKET AT BS906; LBL8; WL166 IAW DWG 147A1007; REV D SH42 AND SRM 51-40-05; [05] VERIFIED STEP 4; [06] VERIFIED LOCATE AND DRILL OF THE SUPPORT BRACKET AT BS907 LBL18 IAW DWG 147A1007; REV D SH42 AND SRM 51-40-05.; [07] OK TO INSTALL SUPPORT BRACKET AT BS907 LBL18 WL166; [08] OK TO INSTALL; [09] INSTALLED NEW SUPPORT BRACKET AT BS907 LBL18 WL166 PER DWG 147A1007; REV D SH42 AND SRM 51-40-02-0G-0; [10] VERIFIED INSTALLATION OF NEW SUPPORT BRACKET AT BS 907; LBL18; WL166; PER DWG 147A1007 AND SRM 51-40-02-0G-0; [11] UPDATED MEASUREMENT TABLE; [12] CERTIFIED STEP 1 AND 11; [13] UPDATED PARTS TABLE; [14] VERIFIED ALL WORK COMPLETE THIS TASK

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