SDR DALA12002326305

Service difficulty report · Structure · Boeing 747451

Difficulty date: July 2, 2012
Submitted: July 2, 2012
Operation: Air carrier
Aircraft: N665US
Make and model: Boeing 747451
Aircraft serial: 23820
Aircraft time: 96,625 hours, 12,029 cycles
System (JASC): 5210 · Passenger/Crew Doors
Part: Structure
Condition: Damaged
Location: L4 Door
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 INSPECTION FOUND RIVET PULLED THROUGH AND DOOR CRACKED AT DOOR 4L UPPER AFT SIDE BY LATCH TORQUE TUBE BEARING ASSEMBLY. MAINTENANCE FABRICATED DOUBLER PER SRM 52-10-02 REPAIR NR 2. STOP DRILLED CRACK PER SRM 52-10-02 REPAIR NR 2. PERFORMED HFEC ON STOP DRILLS AND DAMAGE IS CONTAINED HFEC INSPECTION IAW NDT MANUAL P6-7170, PART 6,51-00-00. INSTALLED DOUBLER PER SRM 52-10-02.