# SDR AALA202404022439

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 29, 2024
- Submitted: April 2, 2024
- Operation: Air carrier
- Aircraft: [N891NN](https://openairdocs.org/aircraft/N891NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33315
- Aircraft time: 35,147 hours, 15,045 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 143A524035SD
- Condition: Cracked
- Location: Bs 540 Lbl1-4
- 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/AALA202404022439

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CRACK IN PASSENGER CABIN FLOOR SUPPORT BREAK ASSEMBLY PANEL AT BS 540, FROM LBL 1 TO LBL 4. REPLACED BREAK ASSEMBLY PANEL PER AARD 51-00-05-1.

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