# SDR IPXA2024010481123

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 4, 2024
- Submitted: January 5, 2024
- Operation: Air carrier
- Aircraft: [N581UP](https://openairdocs.org/aircraft/N581UP), registered now
- Make and model: Boeing 747-4R7F
- Registry model: [Boeing 747-4R7F](https://openairdocs.org/model/boeing-747-4r7f) (OpenAirDocs)
- Aircraft serial: 25866
- Aircraft time: 124,987 hours, 21,044 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- 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/IPXA2024010481123

## Discrepancy

*** SDR FILED OPEN *** LARGE CRACK OUTBOARD SIDE ENGINE 1 AT MOUNT POINT ON WING. FAULT BE DEFERRED FOR 15 DAYS WITH REPETITIVE INSPECTIONS AT INTERVALS NOT TO EXCEED EVERY FLIGHT CYCLE PER EO-89091-REQ2 IN ACCORDANCE WITH DEFERRAL REFERENCE EO-89091.

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