# SDR AALA202409093192

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 14, 2024
- Submitted: September 9, 2024
- Operation: Air carrier
- Aircraft: [N899NN](https://openairdocs.org/aircraft/N899NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31151
- Aircraft time: 36,065 hours, 15,395 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- 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/AALA202409093192

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION ON AFT PASSENGER CABIN FLOOR BEAM UPPER CHORD (T-CAP) AT STA 947, LBL 24. REPAIRED CHORD PER SRM 53-70-51-2R REPAIR 5, ALTERNATIVE 2 AND EA 357399.

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