SDR USAA010927

Service difficulty report · Bulkhead · Boeing 737401

Difficulty date: July 19, 2001
Submitted: August 7, 2001
Operation: Air carrier
Aircraft: N412US
Make and model: Boeing 737401
Aircraft serial: 23881
System (JASC): 5300 · Fuselage Structure (General)
Part: Bulkhead
Condition: Cracked
Location: Bs 178
Part time: 37,299 hours
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

PIT - FOUND BULKHEAD WITH CRACKS, ONE AT 1 INCH, ONE AT 1.125 INCH, TWO AT 1.5 INCH AND TWO AT .125 INCH, BS 178 LBL 5.7 WL 216; BL 0, WL 184 - WL 195; RBL 5. CUT OUT DAMAGE, INSTALLED FILLER AND DOUBLER PER SRM 53-10-08, EO 5300V152, EO 5300V153. (M)