# SDR IPXA2024011745522

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 16, 2024
- Submitted: January 17, 2024
- Operation: Air carrier
- Aircraft: [N578UP](https://openairdocs.org/aircraft/N578UP), registered now
- Make and model: Boeing 747-45E
- Registry model: [Boeing 747-45E](https://openairdocs.org/model/boeing-747-45e) (OpenAirDocs)
- Aircraft serial: 27154
- Aircraft time: 119,464 hours, 20,125 cycles
- System (JASC): [5520 · Elevator Structure](https://openairdocs.org/jasc/5520)
- Part: Stiffener
- Part number: UNKNOWN
- Condition: Cracked
- Location: Elevator
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2024011745522

## Discrepancy

*** SDR FILED OPEN *** FAULT - RIGHT INBOARD ELEVATOR, INBOARD, LEADING EDGE RIB ANDSTIFFENER CRACK (REPLACE) I.A.W. AMM 27-31-01-004-001 REV.109 REMOVED R/H INBOARD ELEVATOR.

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