# SDR UIEA2019031503548

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2019
- Submitted: March 15, 2019
- Operation: Air carrier
- Aircraft: [N409MC](https://openairdocs.org/aircraft/N409MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 30558
- Aircraft time: 78,236 hours, 12,252 cycles
- System (JASC): [2510 · Flight Compartment Equipment](https://openairdocs.org/jasc/2510)
- Part: Step
- Condition: Cracked
- Location: Crew Ladder
- 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/UIEA2019031503548

## Discrepancy

M/D LADDER, UPPER SECTION - STEP NR 5 FOUND CRACKED. (<P>REPAIRED M/D CREW ACCESS LADDER TREAD, NR 5 STEP CRACK AREA IAW RI-25-50-13410 REV.A. </P>)

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