# SDR AALA202209070213

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 19, 2022
- Submitted: September 7, 2022
- Operation: Air carrier
- Aircraft: [N915AN](https://openairdocs.org/aircraft/N915AN), registered now
- Make and model: Boeing 737
- Aircraft serial: 29516
- Aircraft time: 60,864 hours, 25,069 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/AALA202209070213

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: MAIN CABIN STATION 947.5 FLOOR BEAM UPPER SURFACE HAS AREAS OF CORROSION BETWEEN RIGHT BUTT LINE 45 AND RIGHT LINE BUTT LINE 55. REPAIRED FLOOR BEAM WITH SPLICE REPAIR PER SRM 51-40-02-0G.**SUPPLEMENTAL REPORT: ENGINEERING REVIEWED THIS EVENT AND DETERMINED THE CORRECT LEVEL WAS LEVEL 2 NOT LEVEL 1. SECTION 7 CORROSION LEVEL FIELD WAS CORRECTED ACCORDINGLY**

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