SDR UIEA99053

Service difficulty report · Spar Web · Boeing 747230B

Difficulty date
July 16, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N507MC
Make and model
Boeing 747230B
Aircraft serial
21380
System (JASC)
5711 · Wing Spar
Part
Spar Web
Condition
Corroded
Location
Center Wing
Part time
85,155 hours
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

LEFT WING GEAR WHEEL, SPOT CORROSION FOUND ON CENTER TANK REAR SPAR WEB BEHIND THE BS 1241 LT BULKHEAD FITTING. REF: AD 98-26-23 AND SB 747-57-2263R2. CORROSION REMOVED IAW SB 747-57 2263 REV R2 AND FAX KLM TLS 99-0008H. FORM 8110-3 ISSUED.