# SDR AALA202604061193

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2026
- Submitted: April 6, 2026
- Operation: Air carrier
- Aircraft: [N908AN](https://openairdocs.org/aircraft/N908AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29510
- Aircraft time: 68,936 hours, 28,951 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Zone 100
- 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/AALA202604061193

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION ON PASSENGER CABIN FLOOR BEAM UPPER CHORD (T-CAP) AT BS 986 BETWEEN RBL 42 AND RBL 45. REPLACED CHORD PER SRM 53-70-51-1A.

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