Service difficulty report · Cusp Web · Boeing 717200

Difficulty date
February 23, 2016
Submitted
February 24, 2016
Operation
Air carrier
Aircraft
N894AT
Make and model
Boeing 717200
Aircraft serial
55046
Aircraft time
32,041 hours, 21,679 cycles
Part
Cusp Web
Condition
Corroded
Location
Bs 635
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

LEFT OUTER CUSP WEB HAS CORRODED LAP JOINT AT ATTACH ANGLE, BS 635. MARKED. BLENDED CORROSION ON LT UPPER CUSP ANGLE SPLICE AT BS 635 AND FOUND TO BE OUT OF LIMITS. ORIGINAL 0.080", REMAINING 0.060". FABRICATED NEW UPPER CUSP ANGLE SPLICE AND HEAT TREATED TO T6 CONDITION. ALODINED, PRIMIED, PAINTED, AND INSTALLED UPPER CUSP ANGLE SPLICE AT STA 635 IAW SRM 53-00-00, FIG 103, SPM 04-00-06, SRM 51-41-05, PAR 4, SRM 51-22-01, PAR 6A, 4, 6F, 6H AND DWG 9910151, REV CH.

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