# SDR TWAA9910902

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N9413T
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53188
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Longeron
- Condition: Misrepaired
- Location: Bs 256
- Stage of operation: IN
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TWAA9910902

## Discrepancy

DURING CHECK-C MAINT, A 9 INCH BY 9 INCH CLASS 3 REPAIR, FOUND INSTALLED WITH BLIND FASTENERS AT STA 256, WL 209 AND LONGERON 17L, WAS DAMAGED.  REPAIRED LONGERON 17L, STA 256, PER SRM 53-02 PAGE 48, FIG 18.  REPAIRED CLASS 3 REPAIR PER SRM 53-04, PAGE 39 FIG 12B AND SHEET 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.