Service difficulty report · Angle · Boeing 7377H4

Difficulty date
July 31, 2021
Submitted
August 4, 2021
Operation
Air carrier
Aircraft
N445WN
Make and model
Boeing 7377H4
Aircraft serial
29841
Aircraft time
58,406 hours, 34,685 cycles
Part
Angle
Condition
Cracked
Location
Fuel Cell
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

BS 663, RBL 40.5', WL 45, .700' CRACK IN CENTER TANK LOWER SKIN PANEL TO BS 663 BULKHEAD ATTACH ANGLE. VERIFIED BY NDT INSP. CUT & REMOVED DAMAGE IAW SRM 57-10-10-2R-5 REPAIR 5. PERFORMED DETAILED INSPECTION OF REPAIR AREA AND UNDERLYING STRUCTURE. NO DEFECTS NOTED IAW SRM 57-10-10-2R-5. FABRICATED REPAIR PARTS IAW SRM 57-10-10-2R-5 REPAIR 5. TREATED AND PRIMED REPAIR PARTS AND CUT EDGE IAW SRM 57-10-10-2R-5 REPAIR 5. INSTALLED REPAIR PARTS IAW SRM 57-10-10-2R-5 REPAIR 5.

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