SDR DALA2017090206549

Service difficulty report · Cusp Web · Boeing 717200

Difficulty date: September 1, 2017
Submitted: September 4, 2017
Operation: Air carrier
Aircraft: N989AT
Make and model: Boeing 717200
Aircraft serial: 55152
Aircraft time: 43,763 hours, 29,838 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Cusp Web
Condition: Corroded
Location: Bs 418-421
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

CORROSION ON THE LT CUSP WEB UPPER & LOWER SURFACES, LBL 54 AND 60 FROM BS 418 TO 421. THE CUSP WEB WAS REPAIRED IAW SRM 53-00-55-2R-4, FIG 216. HFEC INSPECTION WAS ACCOMPLISHED ALONG THE TRIM LINE AND NO CRACKS WERE FOUND IAW NDT SPM 06-10-01.001.

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