Service difficulty report · Spar Cap · Boeing 747271C

Difficulty date
July 27, 2007
Submitted
August 24, 2007
Operation
Air carrier
Aircraft
N537MC
Make and model
Boeing 747271C
Aircraft serial
22403
Aircraft time
97,429 hours, 19,113 cycles
Part
Spar Cap
Condition
Damaged
Location
Zone 300
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

HORIZONTAL STAB RT AFT CRACK INDICATION/HOLE DAMAGED AT RT HORIZ SPAR CAP INBD OF 43.5 INBD AFT HOLE. REAMED DAMAGED HOLE TO FIRST OVERSIZE (.450-.453) IAW SB 747-55A2050. NDT FINDS NO DEFECTS. BOLTS INSTALLED ON CARD 8010 / 8011.