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 589
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 AT BS 589. MARKED. BLENDED CORROSION ON LEFT UPPER CUSP ANGLE SPLICE AT BS 589 AND FOUND TO BE OUT OF LIMITS. ORIGINAL 0.080", REMAINING 0.055". REMOVED UPPER CUSP ANGLE SPLICE AND FABRICATED NEW CUSP ANGLE SPLICE AND HEAT TREATED TO CONDITION T6. ALODINED, PRIMED, PAINTED, AND INSTALLED NEW CUSP ANGLE SPLICE AT BS 589 IAW SRM 51-41-05, 53-00-00, FIG 103, MD SPM 04-00-06, SRM 51-22-01 PAR 6A(4), 6F, 6H, AND DWG 9910151, REV CH.

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