# SDR IPXA2020100661023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 25, 2020
- Submitted: October 7, 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): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Stiffener
- Part number: 491B330033001
- Condition: Cracked
- Location: Thrust Reverser
- 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/IPXA2020100661023

## Discrepancy

INSPECTION TYPE: 2C NR 3 ENGINE OUTBOARD T/R FAS A SUPPORT BRACKET/STIFFENER CRACKED AT THE 4 O'CLOCK POSITION.  REMOVED AND REPLACED STIFFENER, IAW SRM 54-01-42.  (MINOR)

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