Service difficulty report · Gusset · Boeing 7377BD

Difficulty date
June 4, 2021
Submitted
July 2, 2021
Operation
Air carrier
Aircraft
N7721E
Make and model
Boeing 7377BD
Aircraft serial
34479
Aircraft time
50,877 hours, 26,372 cycles
Part
Gusset
Condition
Cracked
Location
Bs 500d
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

FWD PIT STA 500D; STR 19R; GUSSET SUPPORRT BRACKET CRACKED IN RADIUS; DOT 18. ; / [01] REMOVED CRACKED SUPPORT BRACKET IAW SRM 51-40-02-0G-0; [02] VERIFIED ITEM 1; [03] NEW PART VERIFIED; GUESST P/N 143A9481-5; IAW BOEING DWG 143A7902 REV-<BR>ATAG A54119; [04] LOCATED AND DRILLED NEW GUSSET IAW BOEING DWG 143A7902 REV- AND SRM 51-40-05-0G-0; [05] VERIFIED ITEMS 3 AND 4; [06] VERIFIED ITEMS 1 - 5.<BR>OK TO INSTALL.; [07] INSTALLED NEW GUSSET BRACKET IAW SRM 51-40-02-0G-0 AND BOEING DWG 143A7902 REV-; [08] VERIFIED ITEM 7; [09] VERIFIED ITEMS 7-8.<BR>OK TO CIC; [10] APPLIED CIC IAW AMM 51-21-91-620-802; [11] REMOVED CRACKED GUSSET BRACKET AND REPLACED WITH NEW GUSSET BRACKET P/N 143A9481-5; IAW SRM 51-40-02-0G-0 AND BOEING DWG 143A7902 REV-; [12] VERIFIED ITEMS 10 AND 11; [13] ENTERED MEAUREMENTS; [14] VERIFIED ITEMS 10-13.<BR>AUDITED; [15] UPDATED MEASUREMENTS; [16] VERIFIED 13 AND 15 COMPLETE

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