SDR DALA1105149864

Service difficulty report · Longeron · Doug DC951

Difficulty date: January 21, 2011
Submitted: January 25, 2011
Operation: Air carrier
Aircraft: N773NC
Make and model: Doug DC951
Aircraft serial: 47775
Aircraft time: 73,440 hours, 70,600 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Longeron
Condition: Damaged
Location: Bs 522-541 L24r
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

FWD CARGO COMPT BETWEEN STA 522-541 RT SIDE LONGERON 24 HAS 2EA CUTOUTS IN TOP LEG OF LONGERON. REMOVED SECTION OF LONGERON 24 RT SIDE FROM STA 491 TO STA 569. NDT NO CRACKS NOTED. REPLACED WITH NEW SECTION OF LONGERON LOCATED, DRILL AND INSTALLED IAW SRM 53-02, FIG 18, 51-30-02, 51-30-05, 51-10-3, 51-10-01, 51-10-4, 51-10-02. NDT SPM 06-10-01.001. REQUIRED INSPECTION COMPLETED.

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