# SDR IXXA07SMN143S

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 21, 2007
- Submitted: May 21, 2007
- Operation: Air carrier
- Aircraft: N828BX
- Make and model: Doug DC-8-71F
- Registry model: [Doug DC-8-71F](https://openairdocs.org/model/douglas-dc-8-71f) (OpenAirDocs)
- Aircraft serial: 45993
- Aircraft time: 86,484 hours, 35,828 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Doubler
- Condition: Cracked
- Location: Zone 100
- Part time: 86,484 hours, 35,828 cycles
- 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/IXXA07SMN143S

## Discrepancy

DURING ROUTINE C CHECK INSPECTION, FOUND EXTERNAL FUSELAGE NOSE SECTION RIGHT AFT PRIMARY HEAT INTERCHANGER AFT LOWER CORNER DOUBLER CRACKED AT STATION -12 LONGERON 27 RIGHT.  REMOVED EXISTING REPAIR.  FABRICATED REPAIR DOUBLER.  CLEANED TREATED AND PRIMED AREA AND REPAIR PARTS.  APPLIED SEALANT TO FAYING SURFACE.  INSTALLED REPAIR PARTS IAW DC8 SRM 51-1-20D, DC8 MM 53-30-09 PAGES 201, 202, 206 AND 209, DC8 SRM 51-1-8B, DC8 SRM 51-1-11,DC8 SRM 51-1-20D, AND DC8 SRM 51-3-1.

---
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.