SDR AU990502

Service difficulty report · Bulkhead · Boeing 737377

Difficulty date: April 23, 1999
Submitted: March 26, 2000
Operation: General aviation
Make and model: Boeing 737377
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Bulkhead
Condition: Cracked
Location: Fuselage
Stage of operation: IN
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(AUS) FORWARD PRESSURE BULKHEAD CRACKED IN THE FOLLOWING LOCATIONS: 1. VERTICAL CHORD AT LBL 5.7 WL 184 - CRACK LENGTH 35 MM (1.377 INCH) IN INBOARD RADIUS AND 14 MM (0.551 INCH) IN OUTBOARD RADIUS. 2. WEB ON FORWARD FACE AT WL 218 LOCATED 90 MM (3.543 INCH) OUTBOARD OF RBL 5.5. CRACK LENGTH 6 MM (0.236 INCH). 3. RT SIDE CHORD RADIUS AT WL 207 - CRACK LENGTH 16 MM (0.629 INCH ). FOUND DURING ULTRASONIC AND EDDY CURRENT INSPECTION.