Service difficulty report · Bulkhead Web · Boeing 7377H4

Difficulty date
October 17, 2020
Submitted
October 20, 2020
Operation
Air carrier
Aircraft
N275WN
Make and model
Boeing 7377H4
Aircraft serial
36153
Aircraft time
45,263 hours, 27,093 cycles
Part
Bulkhead Web
Condition
Cracked
Location
Bs 663
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 BARRIER WEB HAS AN 11.5' CRACK JUST INBOARD AND BELOW THE HYDRAULIC MODULAR PACKAGE ASSEMBLY AT LBL 39. ACCOMPLISHED INTERIM REPAIR, IAW SRM 57-10-10-1A-2 AND AFB SRM SUPPLMENT DOCUMENT NR AP 37.7-0602; 57-10-10 ALLOWABLE DAMAGE 2 FACT AS A RESULT OF POST REPAIR INSPECTION.

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