SDR AWXA200301550

Service difficulty report · Beam · Boeing 737375

Difficulty date: December 2, 2003
Submitted: December 16, 2003
Operation: Air carrier
Aircraft: N336AW
Make and model: Boeing 737375
Aircraft serial: 23707
Aircraft time: 54,890 hours, 29,641 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Beam
Part number: 672036
Condition: Cracked
Location: Fuselage
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

DURING C-04 CHECK 2 EACH CRACKS WERE FOUND COMING FROM INSULATION PIN HOLE ON VERTICAL BEAM WEB IN FORWARD E & E COMPARTMENT BS 179.5, RBL 5.7, WL 173.25. MAINTENANCE CUT OUT CRACKED AREA OF VERTICAL BEAM WEB BS 179.5, RBL 5.7, WL 173.25; FABRICATED A REPAIR DOUBLER; INSTALLED REPAIR PART IAW B737-300 SRM 53-10-08, PG 228, FIG 212.