Service difficulty report · Spar Cap · Boeing 747259B

Difficulty date
February 11, 2001
Submitted
March 22, 2001
Operation
Air carrier
Aircraft
N527UP
Make and model
Boeing 747259B
Aircraft serial
21730
Aircraft time
59,290 hours, 16,920 cycles
System (JASC)
5711 · Wing Spar
Part
Spar Cap
Condition
Corroded
Location
Rt Wing
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

INSPECTION TYPE:C, RIGHT WING FRONT SPAR LOWER CAP LOWER LEG IS CORRODED BEYOND LIMITS, 15 INCHES I/B OF STA FSSO, WS 1322. REPAIRED LOWER SPAR CAP IAW SRM 57-30-03 FIG 4.