# SDR DALA1137349880

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 31, 2011
- Submitted: June 1, 2011
- Operation: Air carrier
- Aircraft: N675MC
- 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: 47651
- Aircraft time: 76,010 hours, 63,413 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Cusp Web
- Condition: Cracked
- Location: Fuselage
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA1137349880

## Discrepancy

RT CUSP WEB AT STA 215 LIGHTENING HOLE HAS CRACK.  STOP DRILLED CRACK AT FLOOR WEB BY LIGHTENING HOLE STA 218 IAW DC9 SRM 53-01 FIG 2.  FABRICATED REPAIR DOUBLER IAW SRM 51-70-4 FIG 2.  INSTALLED DOUBLER FLOOR WEB STA 215 IAW SRM  51-30-2.

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