Service difficulty report · Angle · Boeing 7377Q8

Difficulty date
May 12, 2022
Submitted
June 16, 2022
Operation
Air carrier
Aircraft
N7876A
Make and model
Boeing 7377Q8
Aircraft serial
29355
Aircraft time
50,771 hours, 27,451 cycles
Part
Angle
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 IN VERTICAL L ANGLE BS 692 RBL 0.5 WL 206.5 / [01] REMOVED ANGLE AT VERTICAL ANGLE BS 692 RBL .5 WL 206.5 PER SRM 51-40-02;[02] VERIFIED THE APPLICABILITY OF SRM 51-40-02-0G-0;[03] FORMED NEW VERTICAL 'L' ANGLE BS 692 RBL 0.5 WL206.5 MATERIAL USED 7075T0 ; 0.050' CLAD LOT # 1474582-1 IAW DWG # 273A9112 SENT TO O.S.S FOR HEAT TREAT TO T73 .;[04] VERIFIED CORRECTIVE ACTION #3;[05] RECEIVED THE NEW VERTICAL 'L' ANGLE BS 692 RBL 0.5 WL206.5 FROM O.S.S AFTER BEING HEAT TREATED TO T73 AND DYE PENETRANT INSPECTED ON CUSTOMER R/O # 868549-SWA ; LOCATED AND DRILLED THE NEW ANGLE IAW SRM 51-40-05 ; OK TO TREAT AND PRIME;[06] VERIFIED CORRECTIVE ACTION #5.<BR>VERIFIED OK TO TREAT AND PRIME.;[07] APPLIED A CHEMICAL CONVERSION COATING AND PRIMER TO THE NEW 'L' ANGLE IAW SRM 51-20-01 AND SOPM 20-44-04 ; OK TO INSTALL;[08] VERIFIED CORRECTIVE ACTION #7.<BR>VERIFIED OK TO INSTALL REPAIR PARTS.;[09] INSTALLED THE NEW VERTICAL 'L' ANGLE BS 692 RBL 0.5 WL206.5 IAW SRM 51-40-02 AND DWG # 273A9110;[10] VERIFIED CORRECTIVE ACTION #9.

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