SDR AU981048

Service difficulty report · Bulkhead · Boeing 737377

Difficulty date: July 23, 1998
Submitted: March 26, 2000
Operation: General aviation
Make and model: Boeing 737377
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Bulkhead
Condition: Cracked
Location: Bs 178
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 LOCATED AT STN 178 CRACKED IN THE FOLLOWING AREAS: 1. FORWARD FACE WEB CRACKED IN FIVE POSITIONS ADJACENT TO THE RADAR MOUNT POINTS. 2. WL217 CONTAINED TWO CRACKS IN THE AREA BETWEEN LBL 5.7 AND LBL 17 3. LT SIDE CHORD LOCATED AT WL 207 - CRACK LENGTH 15.24MM (0.6 INCH). 4. LBL 5.7 VERTICAL CHORD ON THE AFT FACE OF THE BULKHEAD AT WL 184 FOUND DURING INSPECTION IAW ER B73-53-10-39D.