# SDR DALA2016120509616

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2016
- Submitted: December 6, 2016
- Operation: Air carrier
- Aircraft: [N551NW](https://openairdocs.org/aircraft/N551NW), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26498
- Aircraft time: 45,521 hours, 20,081 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Cracked
- Location: Fuselage
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2016120509616

## Discrepancy

BHEC INDICATES CRACK IN FASTENER HOLE AT UPPER FWD END OF L-1 DOOR CUTOUT. CRACK IN BEAR STRAP ONLY. STEPPED HOLE THRU BEARSTRAP TO A DIA OF .254. BHEC INSP PER NDT MANUAL PART 6 51-00-16, NO CRACK.

---
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.