SDR 96ZZZX4887

Service difficulty report · Skin · Boeing 747273C

Difficulty date
May 7, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N471EV
Make and model
Boeing 747273C
Aircraft serial
20651
Part
Skin
Condition
Damaged
Location
Nr 5 Fore 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

RIGHT INBOARD MID-FLAP OUTBOARD LEADING EDGE DAMAGED ADJACENT TO INBOARD FORE FLAP, OUTBOARD TRACK. ALSO, L/E RIB DAMAGED AND CRACKED. NR 5 FORE FLAP SEQUENCE CARRIAGE ATTACH LUGS FOUND TO BE SHEARED AND FORE FLAP DETACHED FROM CARRIAGE ASSY. APPEARS TO HAVE BEEN DAMAGED FOR SOME CONSIDERABLE TIME. INBOARD FORE FLAP REMOVED. NR 5 FORE FLAP SEQUENCE CARRIAGE REMOVED AND QUARANTINED. INBD MID FLAP OTBD L/E AND DAMAGED RIB REMOVED TO FACILITATE REPAIRS. ALL ATTACH LOCATIONS VISUALLY CHECKED FOR CRACKS AND NDT INSPECTIONS REQUESTED. SUBMITTER STATED A POSSIBLE CAUSE OF DAMAGE, FORE FLAP ATTACH LUGS CORRODED LEADING TO EVENTUAL FAILURE. SUBMITTED BY CRS: B7AY.