# SDR P5CA9600021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 20, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N854FT
- Make and model: Boeing 747122
- Aircraft serial: 19754
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Duct
- Part number: 69B401186
- Condition: Cracked
- Location: Nr 2 Pylon
- Stage of operation: TX
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA9600021

## Discrepancy

AFTER ENGINE START, WING LEADING EDGE OVERHEAT LIGHT ILLUMINATED.  FLIGHT RETURNED TO BLOCKS.  FOUND LEADING EDGE PNEUMATIC DUCT INBOARD OF NR 2 ENGINE CRACKED.  REPLACED DUCT ASSEMBLY, INSPECTED AND LEAK CHECKED IAW MM 36-10-00.

---
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.