SDR USAA010511

Service difficulty report · Bulkhead · Boeing 737401

Difficulty date: May 7, 2001
Submitted: June 4, 2001
Operation: Air carrier
Aircraft: N423US
Make and model: Boeing 737401
Aircraft serial: 23990
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Bulkhead
Condition: Cracked
Location: Fuselage
Part time: 34,934 hours
Stage of operation: IN
How discovered: V
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

CLT - FOUND PRESSURE BULKHEAD WEB WITH THREE CRACKS, .125 INCH, .250 INCH AND .85 INCH, BS 178 WL 188 AND WL 234 RBL .5 TO LBL 12. DAMAGE CUTOUT, INSTALLED FILLERS AND REPAIR DOUBLER PER SRM 53-10-08 FIG 209, EO 5300V153 AND EA 69580. (M)