# SDR TWAA9902804

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 19, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N923L](https://openairdocs.org/aircraft/N923L), registered now
- Make and model: Doug DC-9-32
- Registry model: [Doug DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (OpenAirDocs)
- Aircraft serial: 47109
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Condition: Cracked
- Location: Lt Wing
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TWAA9902804

## Discrepancy

DURING OP 15 MAINT CHECK, FOUND LT WING TRAILING EDGE REAR SPAR CENTER UPPER FLAP ATTACH HOLES, I/B AND O/B WITH CRACKS.  ACCOMP NDT HIGH FREQ EDDY CURRENT PER SRM 51-00-03, PART 6 CRACK CONTAINMENT.  BLENDED AREA PER SRM 57-01, PG 5, FIG 1 SHEET 3.  INSTALLED DOUBLERS, FILLERS AND SHIMS PER ARA 16062.

---
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.
