# SDR AALA202103169005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2021
- Submitted: March 17, 2021
- Operation: Air carrier
- Aircraft: [N831NN](https://openairdocs.org/aircraft/N831NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33211
- Aircraft time: 32,884 hours, 13,491 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 141A541012
- Condition: Cracked
- Location: Zone 200
- 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/AALA202103169005

## Discrepancy

AIRCRAFT WAS GROUNDED: CRACKED INTERCOSTAL FLOOR SUPPORT 1.2 INCH LONG TERMINATING AT NUTPLATE HOLE. INSTALLED NEW INTERCOSTAL PER AARD 51-00-05 AND BOEING DRAWING 141A5400 AND SRM 51-40-02-0G.

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