# SDR TWAA0012105

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 7, 2000
- Submitted: August 1, 2000
- Operation: Air carrier
- Aircraft: [N9305N](https://openairdocs.org/aircraft/N9305N), registered now
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 49395
- Aircraft time: 31,935 hours, 29,140 cycles
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Condition: Corroded
- Location: Rt Wing
- 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/TWAA0012105

## Discrepancy

DURING CHECK-C MAINT ON THE RT WING, CORROSION WAS FOUND ON THE REAR SPAR BETWEEN CENTER AND O/B AILERON HINGE.  FABRICATED ACCORDING TO SRM 59-09 FIG 5.  FABRICATED, FINISHED, AND INSTALLED FILLER SHIM AND DOUBLER PER SRM 57-09 FIG 5 AND SRM 57-01 PARAGRAPH 3B.  SUBSTITUTED HLT 336-6, HLT 436 AND 54931920-6 FASTENERS PER 20-00 PAGE 36 FIG 4.

---
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.
