SDR UPS405424

Service difficulty report · Rib · Boeing 747121

Difficulty date
February 10, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N691UP
Make and model
Boeing 747121
Aircraft serial
19641
Part
Rib
Condition
Cracked
Location
Le Wing
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

WHILE IN FOR C-CHECK, MAINTENANCE FOUND CRACK IN UPPER CHORD FLANGE L/E RIB AT I/B LEADING EDGE STATION 802.5, 852.45 AND 886.5. REPAIRED IAW SRM 57-20-03 FIG 1.