# SDR DALA2020100403262

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2020
- Submitted: October 5, 2020
- Operation: Air carrier
- Aircraft: [N706TW](https://openairdocs.org/aircraft/N706TW), registered now
- Make and model: Boeing 757-2Q8
- Registry model: [Boeing 757-2Q8](https://openairdocs.org/model/boeing-757-2q8) (OpenAirDocs)
- Aircraft serial: 28165
- Aircraft time: 87,012 hours, 22,591 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Condition: Cracked
- Location: Bs 660-685
- 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/DALA2020100403262

## Discrepancy

DURING INITIAL INSPECTION A CRACK WAS FOUND ON INTERCOSTAL BETWEEN STA 660/685 AND STR 12 LT AT PASSENGER CABIN.  CRACK WAS DELIMITED WITH 0.437" LENGTH, PER B757 NDT MANUAL.  INTERCOSTAL BETWEEN STA 660/685 AND STR 12 LT WAS REPLACED.

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