# SDR HYIA20181003001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 3, 2018
- Submitted: October 3, 2018
- Operation: Air carrier
- Aircraft: [N771EA](https://openairdocs.org/aircraft/N771EA), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: 402C0046
- Aircraft time: 29,756 hours, 36,390 cycles
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar Cap
- Part number: 512204124
- Condition: Corroded
- Location: Rt Wing
- Part time: 29,756 hours, 36,390 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/HYIA20181003001

## Discrepancy

DURING MAINTENANCE CORROSION DAMAGE WAS FOUND ON THE RIGHT WING AFT LOWER CAP (P/N: 5122041-24). THIS CORROSION IS LOCATED AT APPROXIMATE RIGHT WING STATION 204.71 AND MEASURES APPROXIMATELY .019 DEEP. THIS IS GREATER THAN REMOVABLE LIMITS ALLOWED UNDER MEB95-11R1 SEC. 3. THIS PART WILL BE REPLACED WITH A FACTORY NEW PART.

---
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.