# SDR AALA202604079438

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 7, 2026
- Submitted: April 7, 2026
- Operation: Air carrier
- Aircraft: [N909AN](https://openairdocs.org/aircraft/N909AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29511
- Aircraft time: 68,629 hours, 28,616 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Cracked
- Location: Zone 200
- 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/AALA202604079438

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CRACK IN PASSENGER CABIN FLOOR STRUCTURE INTERCOSTAL BETWEEN BS 380 AND BS 400 AT BL 0. REPLACED INTERCOSTAL PER AARD 51-00-05-1.

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