# SDR CALA2026033114960

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 2026
- Submitted: March 31, 2026
- Operation: Air carrier
- Aircraft: [N78285](https://openairdocs.org/aircraft/N78285), registered now
- Make and model: Boeing 737824
- Aircraft serial: 33452
- Aircraft time: 68,246 hours, 25,314 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 147A55068
- 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/CALA2026033114960

## Discrepancy

AFT CABIN WET AREA BS 986.5 FLOORBEAM HAS CORROSION AT FASTENER HOLES AT LBL 30 AND LBL 43.  REPAIRED FLOOR BEAM LOCATED AT STA 986.5 AT PASSENGER CABIN AFT WET AREA (LBL 30 AND 43) AS PER EC/RA 5321-01429.

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