# SDR USAA960284

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 26, 1996
- Submitted: March 26, 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
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Blkhd Fishplate
- Condition: Cracked
- Location: Fwd Press Blkhd
- Part time: 21,404 hours
- 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/USAA960284

## Discrepancy

PIT - DURING SIP VISIT INSPECTION, ACCOMPLISHED SIP 53-10-06 AND FOUND 4 INCH AND 3.5 INCH CRACK IN FRONT PRESSURE BULKHEAD FISHPLATE BETWEEN STRINGER 72 AND 73.  STOP DRILLED CRACK AND INSTALLED DOUBLER REPAIR PER SRM 53-02-18 PG 28.  (M)

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