# SDR DALA1116329870

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 3, 2011
- Submitted: March 9, 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
- Engine: Pwa JT8D17
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Cusp Web
- Condition: Cracked
- Location: Bs 734 Lbl50
- 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/DALA1116329870

## Discrepancy

MAIN CABIN STA 734, LBL-50 LT SIDE CUSP WEB CRACKED APPROX 1 IN.  STOP DRILLED CRACK IAW SRM 53-10-16.  REMOVED 1 FASTENER IAW 51-30-2.  REQUESTED NDT, NDT REPORTS CRACK CONTAINED.  RECEIVED LOCATED, DRILLED, FIT, TRIMMED, AND DEBURRED REPAIR DOUBLER IAW SRM 51-30-4.  TREATED AND PRIMED DOUBLER IAW SRM 51-10-3. INSTALLED DOUBLER IAW SRM 51-30-2.  REQUIRED INSP COMPLETED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.