Service difficulty report · Flange · Boeing 75723A

Difficulty date
April 30, 2009
Submitted
April 30, 2009
Operation
Air carrier
Aircraft
N917FD
Make and model
Boeing 75723A
Aircraft serial
24291
Aircraft time
42,045 hours, 16,916 cycles
Part
Flange
Part number
146N5318
Condition
Corroded
Location
Shear Deck
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

SHEAR DECK UPPER SURFACE FLANGE HAS SURFACE CORROSION STA 1681 BL0-LBL 52. REMOVED CORROSION IAW SRM 51-10-02 FOUND TO BE OUT AF LIMITS IAW SRM 53-60-51 L= 52.0 INCH, W= 3.0 INCH, D= 0.025 AT STA 1681 BL0- LBL 52. MADE REPAIR DOUBLER AND LOCATED AND DRILLED IAW SRM 53-60-51 REPAIR NR 2 FIG 201. TREATED AND PRIMED REPAIR DOUBLER IAW SRM 51-20-01. INSTALLED DOUBLER IAW SRM 51-40-02 AND 53-60-51. THIS IS A MAJOR REPAIR "A" REPAIR NO FOLLOW-UP INSPECTION REQUIRED.

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