# SDR DALA1031879853

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 2010
- Submitted: November 22, 2010
- Operation: Air carrier
- Aircraft: N762NC
- Make and model: Doug DC-9-51
- Registry model: [Doug DC-9-51](https://openairdocs.org/model/mcdonnell-douglas-dc-9-51) (OpenAirDocs)
- Aircraft serial: 47710
- Aircraft time: 79,541 hours, 80,395 cycles
- Engine: Pwa JT8D17
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Intercostal
- Condition: Cracked
- Location: Bs 218-237
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA1031879853

## Discrepancy

DURING M-CHECK FOUND FWD CARGO BETWEEN STA.218 AND 237 JUST OTBD OF LT LONG 28. INTERCOSTAL HAS CORROSION AND CRACKED APPROX 1 IN.  DRILLED STOP HOLE IN INTERCOSTAL IN FWD CARGO STA 218-237 JUST OTBD OF LONG 28.  FABRICATED REPAIR DOUBLERS FROM .025" 7075T6.  IAW SRM 51-13-1, FIG 2.  TREATED & PRIME DOUBLERS IAW SRM 51-10-3.  NDT STOP HOLE FOR CRACK IAW NDT SPMM 06-10-01.001.  NO CRACK NOTED.  INSTALLED DOUBLERS IAW SRM 53-01, FIG 2, 53-30-2.19.

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