# SDR QXEA2012101801307

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 18, 2012
- Submitted: October 22, 2012
- Operation: Air carrier
- Aircraft: N407QX
- Make and model: Bombdr DHC8402
- Aircraft serial: 4049
- Aircraft time: 27,207 hours, 28,507 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Spar Cap
- Condition: Damaged
- Location: Horizontal Stab
- 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/QXEA2012101801307

## Discrepancy

LEFT HORIZONTAL STAB FWD SPAR UPPER CAP, SMOKING RIVETS AND FRETTING INDICATIONS FROM MAIN ATTACH FITTING OTBD APPROX 20".  REMOVED FASTENERS AS NECESSARY IAW SRM 51-42-05-02-01 AND BLENDED OUT FRETTING DAMAGE IAW SRM 51-14-00-02-03. MIN REMAINING THICKNESS .089" REF NTM 51-00-04-910-801 PT 1.  CONFIRMED BLENDED AREA TO BE CRACK FREE USING HFEC REF NDTM 51-00-06-910-801 PT 1. FOUND BLENDS TO BE WITHIN LIMITS IAW RD 8/4-55-800.  ALODINED AND PRIMED IAW RD 8/4-55-800.  INSTALLED FASTENERS IAW SRM 51-42-45-02-01.  COMPLIED WITH TC RD 8/4-55-800.

---
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.