SDR Y2PA2020090220018

Service difficulty report · Beam · Doug DC933F

Difficulty date: August 27, 2020
Submitted: September 2, 2020
Operation: Air carrier
Aircraft: N327US
Make and model: Doug DC933F
Aircraft serial: 47414
Aircraft time: 57,348 hours, 56,315 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Beam
Condition: Cracked
Location: Bs 218
Part time: 57,348 hours, 56,315 cycles
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

DISCREPANCY: DURING C-CHECK AT KDHN A 0.625 INCH CRACK WAS FOUND ON THE FORWARD ENTRY DOOR #7 BEAM, AFT END OB SIDE. CORRECTIVE ACTION: COMMERCIAL JET STOP DRILLED CRACK AND VERIFIED CRACK CONTAINMENT VIA NDT. FABRICATED, DRILLED, DEBURRED, TREATED, PRIMED AND INSTALLED REPAIR DOUBLER IAW DC9 SRM 51-10-3, 51-30-1, 51-10-3B AND 52-05 FIGURES 83 AND 93.

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