Service difficulty report · Attach Bracket · Boeing 7377H4

Difficulty date
July 8, 2022
Submitted
July 28, 2022
Operation
Air carrier
Aircraft
N486WN
Make and model
Boeing 7377H4
Aircraft serial
33852
Aircraft time
59,624 hours, 35,506 cycles
Part
Attach Bracket
Condition
Cracked
Location
Fuselage
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

CRACK ON ATTACH CLIP AT FWD PASSENGER CABIN BS294 S-13L WL237. / [01] REMOVED ATTACH CLIP AT FWD PAX CABBIN B.S.294 STR 13L WL237 IAW SRM 51-40-02-0G-0;[02] FABRICATED; LOCATED AND DRILLED ATTACH CLIP AT FWD PASSENGER CABIN BS294 S-13L WL237 MADE FROM EXTRUSION BAC1489-360 LOT# 1464682-1 IAW SRM 51-40-05 AND DWG 141A1311 OK TO TREAT AND PRIME;[03] VERIFIED CORRECTIVE ACTION 2 FABRICATION AND DRILL UP. OK TO TREAT AND PRIME.;[04] CORRECTED MESUREMENT #1 CRACK LENGTH;[05] APPLIED CHEMICAL CONVERSION COATING AND PRIMER ON ATTACH CLIP AT FWD PASSENGER CABIN BS294 S-13L WL237 .- IAW 737-700; AMM 51-21-72-370-804; AMM 51-21-41-370-802 OK TO INTALL;[06] VERIFIED CORRECTIVE ACTION 5. OK TO INSTALL;[07] INSTALLED ATTACH CLIP AT FWD PASSENGER CABIN BS294 S-13L WL237 IAW SRM 51-40-02-0G-0 AND DWG#141A1311 REV-C;[08] VERIFIED CORRECTIVE ACTION #7.

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