Service difficulty report · Web · Boeing 7378H4

Difficulty date
January 21, 2021
Submitted
March 17, 2021
Operation
Air carrier
Aircraft
N8612K
Make and model
Boeing 7378H4
Aircraft serial
36973
Aircraft time
27,436 hours, 12,079 cycles
Part
Web
Condition
Cracked
Location
Center Wing
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

CENTER WING REAR SPAR VAPOR WEB HAS A CRACK AT RBL 31.83. THE CRACK IS 5' LONG AND EXTENDS DIAGONALLY DOWNWARD AND ENDS AT A FASTENER AT RBL 34.83 REPAIRED PER SRM 57-10-10-2R-2 REPAIR 2 PAR 6 THIS IS A TIME LIMITED REPAIR TO PERFORM A DVI EVERY 3000 FLIGHT CYCLES OF THE REPAIR AREA.REPETITIVE ACTION REQUIRED:DO A DETAILED VISUAL INSPECTION EVERY 3000 FLIGHT CYCLES. NOTE IF ADDITIONAL DAMAGE IS FOUND DURING DETAILED VISUAL INSP & THE COMBINED DAMAGE IS MORE THAN THE LIMITS OF THIS REPAIR; YOU MUST REPLACE THIS INTERIM REPAIR WITH A PERMANENT REPAIR PER 51-70-04 REPAIR 10 (INSP H54) /

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