# SDR CALA2026033114961

- 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/CALA2026033114961

## Discrepancy

AFT CABIN WET AREA BS 986.5 FLOORBEAM HAS CORROSION AT FASTENER HOLES AT RBL 23, RBL 30 AND RBL 43.  REPAIRED FLOOR BEAM LOCATED AT BS 986.5 AT PASSENGER CABIN AFT WET AREA (RBL 23, RBL 30, RBL 43) AS PER EC/RA 5321-01429.

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