# SDR CALA2026080718345

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2026
- Submitted: August 7, 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/CALA2026080718345

## Discrepancy

FWD OF  L-2 DOOR AREA FLOORBEAM FITTING AND FASTENER HOLE APPROX, LBL 45.5, BS 947 HAD CORROSION.  ACCOMPLISHED PERMANENT REPAIR AT FLOORBEAM BS 947.5 BETWEEN LBL 39.5 TO LBL 59 IAW ESR-WI 9-15474 , ECRA 5370-01245, AND SRM 53-70-51-2R-5, REP 5, ALTENATIVE 2, FIG 206.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
