SDR DALA2020021081030

Service difficulty report · Cusp Web · Doug MD9030

Difficulty date: February 8, 2020
Submitted: February 10, 2020
Operation: Air carrier
Aircraft: N908DA
Make and model: Doug MD9030
Aircraft serial: 53388
Aircraft time: 63,141 hours, 34,883 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Cusp Web
Condition: Corroded
Location: Bs 670-769
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 LH CUSP WEB STA 670-674, 674- 693, 693-712, 712-731, 731-750, 750-769 BTW X=54 AND X=60 MRB 53 ?211?01 (CPAX) CORROSION LEVEL 2, CUSP WEB ON STA= 655 TO STA =769 WAS REPLACED PER MD-90 SRM VOL II 51-30-02 AND DWG 9930538-9 REV: CF (1481194)

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