# SDR SWAA2026070217562

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 1, 2026
- Submitted: July 3, 2026
- Operation: Air carrier
- Aircraft: [N8563Z](https://openairdocs.org/aircraft/N8563Z), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 64172
- Aircraft time: 27,976 hours, 14,308 cycles
- System (JASC): [5420 · Nacelle/Pylon Miscellaneous Structure](https://openairdocs.org/jasc/5420)
- Part: Fairing
- 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/SWAA2026070217562

## Discrepancy

NR 2 ENGINE PYLON AFT STRUT SUPPORT FAIRING ASSEMBLY HAS A CRACK 1.75' LONG THAT ORIGINATES FROM UNDER THE OVERLAP AND ENDS NEXT TO AN EXISTING HI-LOK FASTENER HOLE. CRACK DOES NOT PROPAGATE INTO HOLE.   PERFORMED HFEC TO DETERMINE CRACK LENGTH PER NDT PART 6; 51-00-00.  PARTIALLY REMOVED NR 2 ENG AFT PYLON IAW AMM 54-52-04.  PYLON HAS ONE AFT BOLT & ONE FWD BOLT PARTIALLY INSTALLED. THE PRIMARY NOZZLE ASSY REMOVAL, TASK 78-11-01-000-802-F00 IS REQUIRED.  MOVED REMOVAL OF AFT PYLON AND PRIMARY NOZZLE TO THEIR OWN CARDS IAW TTG8Q01CZTWX AND TTG8Q01CZT84.   REMOVED AND REPLACED NR 2 ENG AFT PYLON AFT SECTION IAW SRM 51-40-02.  INSTALLATION OF THE BOTTOM ROW OF LOCK FASTENER STILL REQUIRED ON THE AFT INBOARD PANEL.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.