# SDR AU971539

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 18, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Boeing 737377
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Web
- Condition: Cracked
- Location: Fwd Press Blkhd
- 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/AU971539

## Discrepancy

(AUS) FORWARD PRESSURE BULKHEAD WEB CRACKED IN SEVEN PLACES:- A. AREA UNDER THE RADAR SCANNING MOUNTING BRACKETS CONTAINED FOUR  CRACKS BETWEEN LBL 5.5 AND RBL 5.7 - CRACK LENGTHS 27MM (1.06IN), 13MM (0.5IN) AND TWO CRACKS OF 16MM (0.630IN)B. TWO CRACKS EITHER SIDE OF BLO JUST ABOVE WL 184 - CRACK LENGTHS 29MM (1.14IN) AND 20MM (0.787IN) C. ONE CRACK IN THE WEB ANGLE RADIUS INBOARD OF LBL 5.9 - CRACK  LENGTH 28MM (1.1IN)FOUND DURING ULTRASONIC AND EDDY CURRENT INSPECTION IAW ERB73-53-10-39A

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