Service difficulty report · Frame · Boeing 7377H4

Difficulty date
March 9, 2022
Submitted
April 8, 2022
Operation
Air carrier
Aircraft
N468WN
Make and model
Boeing 7377H4
Aircraft serial
33858
Aircraft time
58,378 hours, 34,580 cycles
Part
Frame
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

FRAME CRACKED ON LOWER END AT BS 294.5 RBL 55 WL 208. / [01] EVALUATED DAMAGED; VERIFIED APPLICABILITY OF REPAIR AND DAMAGE REMOVED L 1.8'X W 0.85' AT END OF STUB FRAME BS 294-296 WL 208 RBL 53 IAW SRM 53-10-15-2R-7 REP 7.;[10] PERFORMED DVI ON REPARIR AREA AND NO ADDITIONAL DAMAGED FOUND IAW SRM 53-10-15-2R-7 REP 7.;[11] APPLIED CHEMICAL CONVERSION COATING AND PRIMER TO REPAIR AREAS AND REPAIR PARTS IAW SRM 53-10-15-2R-7 REP 7.;[12] VERIFIED CORRECTIVE ACTION 11.;[13] REQUEST DVI I.A.W SRM 53-10-15-2R-7 REPAIR 7 PAR 4.G;[14] VERIFIED CORRECTIVE ACTION 13.;[15] OK TO INSTALL;[16] VERIFIED CORRECTIVE ACTION; OK TO INSTALL GIVEN.;[17] INSTALLED REPAIR CLIP ON LOWER END BS294.5 RBL55 WL208 I.A.W SRM 53-10-15-2R-7 REPAIR 7 PAR 4.O-R;[18] VERIFIED ITEM 17 CORRECTIVE ACTIONS.;[19] APPLIED A FILLET SEAL AROUND THE EDGES OF THE PARTS AND APPLIED A LAYER OF CORROSION INHIBITING COMPOUND IAW SRM 53-10-15-2R-7 REPAIR 7 PARG 4 STEP R AND S;[20] VERIFIED CORRECTIVE ACTION ITEM 19. NO FURTHER ACTION REQUIRED.

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