SDR UIEA2011032500165

Service difficulty report · Frame · Boeing 747446

Difficulty date: March 25, 2011
Submitted: March 29, 2011
Operation: Air carrier
Aircraft: N458MC
Make and model: Boeing 747446
Aircraft serial: 26356
Aircraft time: 56,635 hours, 12,173 cycles
System (JASC): 5311 · Fuselage Main, Frame
Part: Frame
Condition: Cracked
Location: Bs 1160
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 D INSPECTION OF DATUM ACFT IAW EO 4453A197, CRACK WAS FOUND ON FRAME AT BS 1160 (RT AT STR 9). (THE DAMAGED FRAME WAS REPAIRED IAW PART 5 OF EO 4453A197, REV D (SRM 53-40-07, REPAIR 3). IAW PART 5 OF EO, THE FRAME CRACKS THAT CANNOT BE REMOVED BY DOING THE OVERSIZE HOLE REPAIR, SHOULD BE REPAIRED AS GIVEN IN SRM 53-40-07.)