# SDR FDEA201205151814

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 15, 2012
- Submitted: May 16, 2012
- Operation: Air carrier
- Aircraft: [N942FD](https://openairdocs.org/aircraft/N942FD), registered now
- Make and model: Boeing 757225
- Aircraft serial: 22612
- Aircraft time: 66,851 hours, 23,694 cycles
- System (JASC): [5420 · Nacelle/Pylon Miscellaneous Structure](https://openairdocs.org/jasc/5420)
- Part: Structure
- 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/FDEA201205151814

## Discrepancy

NR 2 PYLON, HORIZ FLANGE FASTENER HOLE CRACKED IN TITANIUM RT THIRD HOLE FROM AFT BULKHEAD.  REAMED HOLE TO .405 IAW EA F-5450-157204 STEP1, AND 2ND HOLE TO .437 IAW EA F-5450-157204, STEP 3, NDT CHECK FOR CRACK, NO CRACK NOTED. INSTALLED FASTNER IAW-SRM-51-40-02 AND EA F-5450-157204.  FAA FORM 8100-9, DATED 02 APRIL,2012,  CLASSIFIED RE-PAIR AS A CAT."B" MAJOR REPAIR.

---
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.