# SDR IPXA2026102812183

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 6, 2026
- Submitted: October 28, 2026
- Operation: Air carrier
- Aircraft: [N463UP](https://openairdocs.org/aircraft/N463UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 28267
- Aircraft time: 40,335 hours, 21,491 cycles
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Duct
- Part number: LJ76610
- Part serial: 0847001
- Condition: Corroded
- 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/IPXA2026102812183

## Discrepancy

#1-ENG-O/B-T/R-C-DUCT - UPON THE (COMPONENT-REMOVAL-INTRFACE-INSP-PROCEDURE-#6.) FOUND CORROSION AT UPPR-FWD-I/B-OF STRUCTURE-CAVITIES 3(EA) AS MRKD.-#007-JL039-ATA-78-00. REMOVED 03 EA FASTENERS TO EVALUATE CORROSION AT #1-ENGINE-O/B T/R C-DUCT UPPR FWD I/B OF STRUCTURE IAW B757-200PF SRM 51-40-02-0G-0. #1 ENGINE O/B T/R WAS REPLACED AND INSTALLED ON TC T3F18E009PTU5 LINE 1329.

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