Service difficulty report · Rib · Lkheed 10113851

Difficulty date
July 24, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N728DA
Make and model
Lkheed 10113851
Aircraft serial
193C1173
Part
Rib
Part number
1618270105
Condition
Cracked
Location
Nr 1 Te Flap
Stage of operation
IN
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

THE LOWER FITTING ON THE I/B RIB OF THE RT NR 1 FLAP AT ITS 27.4 WAS FOUND COMPLETELY SEVERED APPROX 6 AFT OF THE FORWARD EDGE. ALSO, THE EXTERNAL WEB WAS FOUND WITH AN APPROX 4 LONG CRACK ON THE SAME RIB. THESE CRACKS ARE TYPICAL PER THE LAC S/B 093-57-109 AND WILL BE REPAIRED IN ACCORDANCE WITH THAT S/B.