# SDR IPXA2026041337727

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 10, 2026
- Submitted: May 12, 2026
- Operation: Air carrier
- Aircraft: [N421UP](https://openairdocs.org/aircraft/N421UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25281
- Aircraft time: 35,930 hours, 23,459 cycles
- System (JASC): [5350 · Aerodynamic Fairings](https://openairdocs.org/jasc/5350)
- Part: Intercostal
- Part number: 149N75592
- Condition: Corroded
- Location: Zone 100
- 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/IPXA2026041337727

## Discrepancy

RIGHT WING TO BODY INTERCOSTAL AT BS 1040 TO 1060, RBL 46  IS EXFOLIATED AROUND NUTPLATE LOCATIONS.   INSTALLED NEW TEE FITTING AND REINSTALLED 1EA ANGLE  AND REINSTALLED 1EA BONDING JUMPER IAW SRM 51-40-02-0G-0.

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