Service difficulty report · Cusp Web · Doug DC871F

Difficulty date
August 12, 2005
Submitted
August 31, 2005
Operation
Air carrier
Aircraft
N750UP
Make and model
Doug DC871F
Aircraft serial
45950
Aircraft time
68,230 hours, 28,358 cycles
Part
Cusp Web
Condition
Cracked
Location
Bs 1390-1430
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

CUSP HAS SHEAR HEAD FASTENER AND CRACK 1 INCH LONG FS 1420 L21R. REMOVED DAMAGED CUSP FROM BS 1390-1430 L21R IAW SRM 51-1-20D AND 51-1-2. FABRICATED AND INSTALLED REPAIR PARTS AND CUSP ANGLE IAW SRM 53-2-5 FIG 15 AND DWG 9754069 AT BS 1390-1430 L21R.

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