# SDR CALA2026081818707

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 13, 2026
- Submitted: August 18, 2026
- Operation: Air carrier
- Aircraft: [N77542](https://openairdocs.org/aircraft/N77542), registered now
- Make and model: Boeing 737824
- Aircraft serial: 63647
- Aircraft time: 27,283 hours, 10,393 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 147A550429
- 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/CALA2026081818707

## Discrepancy

PASSENGER CABIN AFT WET AREA FLOOR STRUCTURE STA 947 LBL 50 BEAM FOUND WITH CORROSION UNDERNEATH FITTING REF AAR N/R 100057376 ACCOMPLISHED FLOORBEAM REPAIR AT AFT WET AREA STA 947.5, LBL 39.7 TO LBL 56 PER SRM 53-70-51-2R-5 AND ESR -WI : 1-15605.   ACCOMPLISHED FLOORBEAM REPAIR AT AFT WET AREA STA 947.5 , LBL 39.7 TO LBL 56 PER SRM 53-70-51-2R-5 ,EC/RA 5370-01249 AND AAR DOCUMENT ESR -WI 1-15605 REV IR, NO DIPS IS REQ.

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