# SDR TWAA9809117

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 29, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N920L](https://openairdocs.org/aircraft/N920L), 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: 47734
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Rib
- Condition: Cracked
- Location: Te Flap
- 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/TWAA9809117

## Discrepancy

MCI - DURING OP 15 MAINTENANCE CHECK, THE LEFT WING OUTBOARD FLAP HINGE CASTING ATTACH RIBS WERE CRACKED ON INBOARD AND OUTBOARD SIDES INSIDE FLAP STRUCTURE.  RIBS REMOVED AND NEW RIBS INSTALLED PER SRM 51-01, AND FASTENERS INSTALLED PER STANDARD PRACTICES AND 51-30-00.  (M)

---
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.
