Service difficulty report · Door Frame · Boeing 747422

Difficulty date
November 4, 2011
Submitted
November 9, 2011
Operation
Air carrier
Aircraft
N174UA
Make and model
Boeing 747422
Aircraft serial
24381
Aircraft time
85,080 hours, 9,543 cycles
Engine
Pwa PW4056
Part
Door Frame
Condition
Cracked
Location
R4 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

NR 4 RT MED CRACK ON FRAME AT LOWER AFT CORNER. STOP DRILLED. HFEC MFG AND INSTALL REPAIR IAW SRM 52-10-02 REPAIR 2. PER SRM, INSPECTIONS REQUIRED EVERY 3000 CYCLES (PG 206 - EFS PG 28 & 33). ON NON ROUTINE 0259944. ** MF8291 CREATED TO MONITOR **