SDR TSAA0553056

Service difficulty report · Skin Panel · Boeing 737230

Difficulty date: December 14, 2005
Submitted: December 19, 2005
Operation: Air carrier
Aircraft: N820AL
Make and model: Boeing 737230
Aircraft serial: 22138
Aircraft time: 49,456 hours, 71,621 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin Panel
Part number: 6545774
Condition: Cracked
Location: Bs 767
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

FOUND TWO FUSELAGE SKIN CRACKS AFT OF LT AFT WING-TO-BODY FAIRING: .5 INCH CRACK AT BS 767, STRINGER 17L AND 3 INCH CRACK AT BS 787, STRINGER 18L. CUT CRACKS OUT .040 INCH INSURANCE CUT. PERFORMED HFEC AROUND CUTOUTS, NO CRACK PROPAGATION NOTED IAW BOEING NDT MANUAL PART 6, 51-00-00. REPAIRED WITH 21 X 53 INCH SKIN PATCH: FABRICATED DOUBLER (0322024T3) AND TRIPLER (0502024T3). REPAIRED CRACKS PER SRM 53-30-3, FIG 48, DETAIL XI.