Service difficulty report · Pressure Web · Boeing 737724

Difficulty date
January 15, 2020
Submitted
January 19, 2020
Operation
Air carrier
Aircraft
N27734
Make and model
Boeing 737724
Aircraft serial
28949
Aircraft time
66,307 hours, 22,046 cycles
Part
Pressure Web
Part number
111A1111
Condition
Cracked
Location
Lt Mlg Ww
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

2EA CRACKS VERIFIED AT LT CENTER WING REAR SPAR VERTICAL PRESSURE WEB CRACK NR 1 BETWEEN LBL 45.64 AND LBL 40 BETWEEN WL200.6 AND WL192 CRACK LENGTH 1.575 CRACK NR 2 BETWEEN LBL40 AND LBL 31.83 CRACK LENGTH 1.417 REF N/R 99865101. CUT OUT DAMAGE WEB AS PER SRM 57-10-10 REPAIR 3 FIG 204. FABRICATED ALL REPAIR DOUBLERS AND FILLERS AS PER SRM 57-10-10 REPAIR NR 3 FIG 204. TREATED AND PRIMED ALL REPAIR PARTS AND INSTALLED REPAIR AT LT CENTER WING REAR SPAR VERTICAL PRESSURE WEB AS PER SRM 51-20-01 AND 57-10-10 REPAIR NR 3.