# SDR AALA202202017973

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 5, 2022
- Submitted: February 1, 2022
- Operation: Air carrier
- Aircraft: [N823NN](https://openairdocs.org/aircraft/N823NN), registered now
- Make and model: Boeing 737*
- Aircraft serial: 29560
- Aircraft time: 35,855 hours, 14,674 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Zone 100 - Fuse
- 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/AALA202202017973

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION ON AFT CABIN FLOOR BEAM AT BS 986 AND RBL 45.. REPAIRED FLOOR BEAM PER SRM 53-70-51-2R-6 AND EA 333142.

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