# SDR IPXA2026040178991

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2026
- Submitted: April 3, 2026
- Operation: Air carrier
- Aircraft: [N437UP](https://openairdocs.org/aircraft/N437UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25468
- Aircraft time: 32,154 hours, 21,139 cycles
- System (JASC): [5420 · Nacelle/Pylon Miscellaneous Structure](https://openairdocs.org/jasc/5420)
- Part: Angle
- Part number: 311N50408
- Condition: Cracked
- Location: Zone 400
- 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/IPXA2026040178991

## Discrepancy

FAULT - Z400 - STR #1 PYLON INBD SIDE THROUGH CIRCLE ACCESS PANEL, INTERNAL AFT UPPER SURFACE HAS A CRACKED STRUCTURAL CLIP. DOT 93-012. REMOVED CRACKED CLIP AT #1 PILON I/B SIDE INTERNAL AREA AFT UPPER SURFACE IAW B757-200 SRM 51-40-02. INSTALLED CLIP IAW B757-200 SRM 51-40-02.

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