Service difficulty report · Bulkhead Web · Boeing 7377H4

Difficulty date
July 12, 2020
Submitted
June 2, 2021
Operation
Air carrier
Aircraft
N455WN
Make and model
Boeing 7377H4
Aircraft serial
32462
Aircraft time
56,878 hours, 33,712 cycles
Part
Bulkhead Web
Condition
Cracked
Location
Lt Ecs Bay
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

TRANSFERRED FROM NRC D434429; LEFT ECS BAY AFT BULKHEAD (VAPOR WEB) CRACKED ABOVE BULKHEAD HYDRAULIC FITTINGS. PREVIOUS/EXISTING CRACK REPAIR LOCATED BELOW HYDRAULIC FITTINGS / FOUND NEW CRACK TO BE 6 1/2' LONG. ACCOMPLISHED INTERM REPAIR PER SRM 57-10-10-2R-2 PARAGRAPH 6. DO A DETAILED VISUAL INSP. EVERY 3000 FLIGHT CYCLES. IF ADDITIONAL DAMAGE IS FOUND DURING DVI & THE COMBINED DAMAGE IS MORE THAN THE LIMITS OF THIS INTERM REPAIR THEN YOU MUST REPLACE THIS REPAIR WITH A PERMANENT REPAIR PER 51-70-04. REPAIR 10

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