# SDR IPXA2026042547996

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 11, 2026
- Submitted: April 27, 2026
- Operation: Air carrier
- Aircraft: [N575UP](https://openairdocs.org/aircraft/N575UP), registered now
- Make and model: Boeing 747-44AF
- Registry model: [Boeing 747-44AF](https://openairdocs.org/model/boeing-747-44af) (OpenAirDocs)
- Aircraft serial: 35664
- Aircraft time: 63,822 hours, 10,023 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Tube
- Part number: 109135501
- Condition: Worn
- 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/IPXA2026042547996

## Discrepancy

WORN FLARED TUBE OF ENG-1 ADP.  I.A.W.AMM 29-11-15-002-001 REV116 AND AMM29-11-15-402-009, REV 116.  REPLACED THE SPEED CONTROL AIR PRESSURE LINE

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