# SDR CALA2026080518301

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2026
- Submitted: August 5, 2026
- Operation: Air carrier
- Aircraft: [N39297](https://openairdocs.org/aircraft/N39297), registered now
- Make and model: Boeing 737824
- Aircraft serial: 34003
- Aircraft time: 59,381 hours, 21,864 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 147A550419
- 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/CALA2026080518301

## Discrepancy

FWD OF  R2 DOOR AREA FLOORBEAM APPROX RBL 45.5  BS 947 HAD CORROSION,  ACCOMPLISHED PERMANENT REPAIR TO THE FLOORBEAM BS 947.5 RBL 35 - 59 IAW ESR-WI 9-15473 , ECRA 5370-01246 AND SRM 53-70-51-2R-5, REP 5, ALTENATIVE 2, FIG 206.

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