# SDR IPXA2020101761381

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 3, 2020
- Submitted: October 19, 2020
- Operation: Air carrier
- Aircraft: [N253UP](https://openairdocs.org/aircraft/N253UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48439
- Aircraft time: 75,162 hours, 16,351 cycles
- System (JASC): [5522 · Elevator, Plate/Skin](https://openairdocs.org/jasc/5522)
- Part: Rib
- Part number: ALC89853
- Part serial: UP72473
- Condition: Cracked
- Location: Lt Elevator
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2020101761381

## Discrepancy

INSPECTION TYPE: 2C CRACK ON LT DETACHABLE ELEVATOR INBOARD LEADING EDGE RIB AT LOWER NUTPLATE FLANGE AT XE=53.5.  REPAIRED CRACKED RIB ON LT DETACHABLE ELEVATOR INBOARD LEADING EDGE STA XE=53.5, IAW EA 011-5520-01-A8596 AND EO MD11-5520-78207-A.  (MAJOR)

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