# SDR CALA2026021613802

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 13, 2026
- Submitted: February 16, 2026
- Operation: Air carrier
- Aircraft: [N57869](https://openairdocs.org/aircraft/N57869), registered now
- Make and model: Boeing 757-33N
- Registry model: [Boeing 757-33N](https://openairdocs.org/model/boeing-757-33n) (OpenAirDocs)
- Aircraft serial: 32593
- Aircraft time: 65,033 hours, 19,676 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 149N7130
- 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/CALA2026021613802

## Discrepancy

EXT LOWER MID FUSELAGE STA 900 BL0-RBL5 T- CHORD CORRODED. REF NR: 136283. ESFR REPAIRED AREA AT EXT LOWER MID FUSELAGE STA 900 BTW RBL 25 TO LB L 25 T-CHORD IAW B757-300 SRM 51-70-12-0G FIG 1 AND RESTORED ARE A PROTECTION APPLIED TOP COAT AND APPLIED CIC IAW B757-300 SRM 5 1-20-01, AMM 51-21-15 AND AMM 51-00-59.

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