# SDR AALA202103119014

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 24, 2021
- Submitted: March 11, 2021
- Operation: Air carrier
- Aircraft: [N967NN](https://openairdocs.org/aircraft/N967NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31214
- Aircraft time: 18,056 hours, 6,974 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 143A524035
- 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/AALA202103119014

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: AT STA 540, EXPANSION JOINT FRAME FLOORBOARD SUPPORT AT LBL 2 CRACKED, MEASURING 2 INCHES LONG. REMOVED DAMAGED FLOORBOARD SUPPORT IAW SRM 51-40-02. INSTALLED NEW FLOORBOARD SUPPORT IAW AA IPC 53-42-11-66 AND BOEING INSTALLATION DRAWING 143A0060.

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