# SDR IPXA2026060280694

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2026
- Submitted: June 2, 2026
- Operation: Air carrier
- Aircraft: [N412UP](https://openairdocs.org/aircraft/N412UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 23852
- Aircraft time: 38,243 hours, 25,950 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: NA
- Part serial: NA
- Condition: Damaged
- 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/IPXA2026060280694

## Discrepancy

AFTER REMOVAL OF DME ANTENNA, FOUND SIGNS OF CORROSION.  CHECKED LIMITS AT FUSELAGE SKIN AREA ORIGINAL THICKNESS .080 IAW DWG# 143N3471 BLENDED DIMENSIONS L=5.500'', W=2'', X=.004'' MAXIMUM ALLOWABLE X=15%=.012'' AREA FOUND TO BE WITHIN LIMITS IAW B757-200PF SRM 53-00-01-1A-1 ALLOWABLE DAMAGE 1 DETAIL II FIGURE 101

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