# SDR EIA2000230

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2000
- Submitted: January 18, 2001
- Operation: Air carrier
- Aircraft: N477EV
- Make and model: Boeing 747-SR-46
- Registry model: [Boeing 747-SR-46](https://openairdocs.org/model/boeing-747-sr-46) (OpenAirDocs)
- Aircraft serial: 20784
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bolt
- Part number: BACB30MY8K19
- Condition: Broken
- Location: Pressure Blkhd
- 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/EIA2000230

## Discrepancy

FOUND AFT PRESSURE BULKHEAD AT STRINGER 11L ONE EACH TENSION BOLT BROKEN.  NDT INSPECTION PER NTM PT6 51-00-00 FIG 4, BOLT HOLE CRACK AND CORROSION FREE.  TENSION BOLTS REPLACED PER MM 20-51-01.  STRINGER END FITTING REINSTALLED PER SRM 51-30-02.  (M)

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