Service difficulty report · Bulkhead Web · Boeing 7378H4

Difficulty date
January 20, 2020
Submitted
August 17, 2021
Operation
Air carrier
Aircraft
N8600F
Make and model
Boeing 7378H4
Aircraft serial
39882
Aircraft time
27,908 hours, 11,868 cycles
Part
Bulkhead Web
Condition
Cracked
Location
Bs 540
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

RIGHT HAND MAIN LANDING GEAR FORWARD BULKHEAD AT B.S. 540 VAPOR BARRIER CRACKED IN TWO (2) LOCATIONS. PERFORMED INTERIM REPIAR PER REPAIR 57 EA-07683 FOR FURTHER CORRECTIVE ACTION REF 943 & #V005123 PERMANENT ACTION REQUIRED: PERFORM A PERMANENT REPAIR PER SRM 51-70-04 TO THE ENTIRE LENGTH OF THE CRACK OR REPAIR PART OF THE CRACK SO THAT THE CRACK LENGTH IS LESS THAN OR EQUAL TO THE MAX ALLOWABLE DAMAGE LIMIT. THEN APPLY THE INTERIM SEAL OVER THE CRACK THAT IS LEFT AS GIVEN IN SRM 57-10-10-1A-2 PARAGRAPH 2.C.(4) NOTE MX PLANNING: THIS REPAIR WILL NEED TO BE PERFORMED AT A MX STATION WITH THE CAPABILITY OF PERFORMING COMPOSITE REPAIRS /

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