# SDR QXEA9600127

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N457US
- Make and model: Fokker F.28 MK 1000
- Registry model: [Fokker F.28 MK 1000](https://openairdocs.org/model/fokker-f-28-mk-1000) (OpenAirDocs)
- Aircraft serial: 11036
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Window Post
- Part number: A24352003
- Condition: Cracked
- Location: Nr 3 Window
- 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/QXEA9600127

## Discrepancy

DURING HFEC INSPECTION OF LT NR 3 WINDOW POST REARWARD FLANGE TYPE-D, CRACK WAS NOTED AT BOLT HOLE NR 4 AND 6.  CRACK LENGTH AT BOLT HOLE NR 4 IS .625 INCH, CRACK LENGTH AT BOLT HOLE NR 6 IS .1563 INCH.  NUMBER THREE WINDOW POST REPLACED I/A/W EO 28-53-175.

---
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.