# SDR QXEA0000722

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 4, 2000
- Submitted: March 22, 2000
- Operation: Air carrier
- Aircraft: [N478US](https://openairdocs.org/aircraft/N478US), registered now
- Make and model: Fokker F.28 MK4000
- Registry model: [Fokker F.28 MK4000](https://openairdocs.org/model/fokker-f-28-mk4000) (OpenAirDocs)
- Aircraft serial: 11227
- Aircraft time: 30,576 hours, 37,630 cycles
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Condition: Damaged
- 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/QXEA0000722

## Discrepancy

PDX- RIGHT HAND WING FORGED RIB AT WS 2635 TOP FLANGE INBOARD EDGE HAS TOOL DAMAGE BETWEEN TOP SKIN STRINGERS 2.37 AND 2.38 AND BELOW STRINGER 2.36.  REPAIRED IAW FOKKER SRM 57-01-01 PAGE 5.

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