What was found
DURING C-CHECK, FOUND FRAME 737R CRACKED 2 PLACES IN THE FORWARD AND AFT FLANGES AT THE Z-ATTACH ANGLE HOLES RUNNING INBD TO THE SPLICE. REPLACED THE FRAME IAW DC-9 S/B 53-131.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING C-CHECK, FOUND FRAME 737R CRACKED 2 PLACES IN THE FORWARD AND AFT FLANGES AT THE Z-ATTACH ANGLE HOLES RUNNING INBD TO THE SPLICE. REPLACED THE FRAME IAW DC-9 S/B 53-131.