# SDR DALA1123809870

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2011
- Submitted: April 4, 2011
- Operation: Air carrier
- Aircraft: N779NC
- 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: 48101
- Aircraft time: 71,333 hours, 66,584 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Cusp Web
- Condition: Corroded
- 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/DALA1123809870

## Discrepancy

MAIN CABIN CUSP ANGLE UNDER R-1 DOOR PAN HAS CORROSION.  LOSS OUT OF LIMITS IAW DC-9 SRM 51-10-3.  REMOVED CUSP ANGLE FROM STA 164-227 RBL 59.  LOCATED AND DRILLED NEW ANGLE AND INSTALLED ANGLE IAW DC-9 SRM 53-05 FIG 55 WEIGHT OF REPAIR PARTS IS 7.8 INSTALLED ID TAG IAW DPS 900-5-1 NR 4.6.

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