# SDR TX9Y20110924002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 2011
- Submitted: September 29, 2011
- Operation: Air carrier
- Filed by: [Taikoo Xiamen Aircraft Engineering Company Ltd, repair station TX9Y778Y](https://openairdocs.org/faa-repair-station/TX9Y778Y/taikoo-xiamen-aircraft-engineering-company-ltd.md) (OpenAirDocs)
- Aircraft: [N708SA](https://openairdocs.org/aircraft/N708SA), registered now
- Make and model: Boeing 747-2B5F
- Registry model: [Boeing 747-2B5F](https://openairdocs.org/model/boeing-747-2b5f) (OpenAirDocs)
- Aircraft serial: 24196
- Aircraft time: 98,526 hours, 16,401 cycles
- System (JASC): [5410 · Nacelle/Pylon, Main Frame](https://openairdocs.org/jasc/5410)
- Part: Structure
- Condition: Damaged
- 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/TX9Y20110924002

## Discrepancy

DURING ACCOMPLISHMENT OF SB 747-54-2230 R0, FIGURE 14 ON THE STRUT STRUCTURE ASSEMBLY AT NR 3 PYLON, CRACK DAMAGE AT NUMEROUS HOLES WAS FOUND IN THE CAP SKIN ASSEMBLY, THE BULKHEAD STRAP AND THE FRONT SPAR CHORD.  DAMAGE WAS ALSO FOUND IN THE BULKHEAD FRAMES AT N STA 221.9.  REPAIRED PER TEC-SOF-11-0032 AND SB 747-54-2230 R0, FIGURE 31.

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