# SDR ASAA2019101651017

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 5, 2019
- Submitted: October 16, 2019
- Operation: Air carrier
- Aircraft: [N525AS](https://openairdocs.org/aircraft/N525AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35692
- Aircraft time: 37,373 hours, 13,138 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 143A5410174
- Condition: Cracked
- Location: Bs 380-400
- 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/ASAA2019101651017

## Discrepancy

MAIN CABIN UNDER FLOOR INTERCOSTAL IS CRACK BETWEEN BS380 AND BS400 LBL13. GROUNDED - YES. REMOVED AND REPLACED UPPER CHORD 143A5410-174 REF BAC DWG 143A5400 REV A.

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