# SDR ASAA2023082244868

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 22, 2023
- Submitted: September 1, 2023
- Operation: Air carrier
- Aircraft: [N538AS](https://openairdocs.org/aircraft/N538AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 41188
- Aircraft time: 40,626 hours, 11,918 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 147A550611
- Part serial: NSN
- Condition: Corroded
- Location: Unknown
- 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/ASAA2023082244868

## Discrepancy

MAIN CABIN AFT WET AREA STA 986.5 FLOOR BEAM AT RBL43 HAS CORROSION AT FASTENER HOLE. GROUNDED - YES. REMOVED CORROSION.ORIGINAL THICKNESS 0.150 IAW B737-800 SRM 53-70-51-0I-1.REMAINING THICKNESS 0.90.REMOVED 0.060.OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1.CUT OUT DAMAGE AND FABRICATED REPAIR STRAP, ANGLE, AND FILLER IAW B737-800 SRM 53-70-51-2R-6,ALTENATIVE 4.ALODINED IAW B737-800 SRM 51-20-01, PRIMED IAW BOEING SOPM 20-41-02.INSTALLED REPAIR STRAP , ANGLE AND FILLER IAW B737-800 SRM 53-70-51-2R-6 ALTERNATIVE 4.

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