# SDR ASAA2021063035484

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 30, 2021
- Submitted: July 26, 2021
- Operation: Air carrier
- Aircraft: [N612AS](https://openairdocs.org/aircraft/N612AS), registered now
- Make and model: Boeing 737790
- Aircraft serial: 30162
- Aircraft time: 65,388 hours, 32,555 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 147A8507
- Condition: Corroded
- Location: Bs 992
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021063035484

## Discrepancy

LH FLOOR SILL AT STA 992 HAS CORROSION UNDER Z-ANGLE STRIP, IN THE CABIN. GROUNDED - YES. REMOVED AND REPLACED L/H FLOOR SILL AT STA 992 UNDER Z-ANGLE STRIP IN THE CABIN IAW 737-700 SRM 51-40-02-0G-0W=2" O=.080" R=.069" L=1 D=.011".

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