# SDR CALA2025021100339

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2025
- Submitted: February 11, 2025
- Operation: Air carrier
- Aircraft: [N57870](https://openairdocs.org/aircraft/N57870), registered now
- Make and model: Boeing 757-33N
- Registry model: [Boeing 757-33N](https://openairdocs.org/model/boeing-757-33n) (OpenAirDocs)
- Aircraft serial: 33525
- Aircraft time: 58,493 hours, 17,118 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Door Sill
- Part number: 146N5391191
- 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/CALA2025021100339

## Discrepancy

(B757-53-3-0526) AFT CARGO DOOR (CUTOUT) LOWER SILL HAS MULTIPLE AREAS OF CORROSION. DOT:T772 TRANSCRIBED FROM HAECO GSO NR 9286332

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