SDR CALA0300596

Service difficulty report · Doubler · Boeing 737524

Difficulty date: October 7, 2003
Submitted: October 15, 2003
Operation: Air carrier
Aircraft: N33608
Make and model: Boeing 737524
Aircraft serial: 27321
Aircraft time: 28,251 hours, 15,112 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Doubler
Condition: Cracked
Location: Fuselage
Stage of operation: IN
How discovered: 9
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

INSPECTION FOUND THE EXTERNAL POWER DOOR CUTOUT SKIN DOUBLER CRACKED AT THE FORWARD LOWER CORNER. THE SKIN DOUBLER WAS REPAIRED IAW ECRA 5330-03290. IN ORDER TO VERIFY CRACK REMOVAL IN THE DOUBLER, THE II-SECTION(EXTRUSION) REQUIRED REMOVAL. THE II-SECTION AND THE SKIN DOUBLER WERE DAMAGED DURING REMOVAL REQUIRING TRIM OF THE SKIN DOUBLER AND REMOVAL OF THE II-SECTION UPPER FLANGE. THE II-SECTION AND ASSOCIATED SKIN DOUBLER WERE REPAIRED IAW ECRA 5330-03289.