# SDR P5CA9700059

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N858FT](https://openairdocs.org/aircraft/N858FT), registered now
- Make and model: Boeing 747123
- Aircraft serial: 20109
- System (JASC): [5400 · Nacelle/Pylon Structure](https://openairdocs.org/jasc/5400)
- Part: Overboard Vent
- Condition: Cracked
- Location: Nr 4  Cowl
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA9700059

## Discrepancy

CRACK ON LOWER CENTER OVERBOARD VENT OF NR 4  RIGHT COWL.  BLENDED CRACK PER BAC SRM 51-10-01 AND INSPECTED PER BAC NDTM 51-00-00, PT 6 FIG 4.

---
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.