# SDR AALA20091217TUL01

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 17, 2009
- Submitted: May 6, 2010
- Operation: Air carrier
- Aircraft: N77421
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49333
- Aircraft time: 68,216 hours, 36,273 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/AALA20091217TUL01

## Discrepancy

THREE EACH CRACKS AT LEFT CUSP STATION 218 TO 225.  REPLACED CUSP UNDER AARD 53-20-00-16.

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