SDR UIEA00025

Service difficulty report · Skin · Boeing 747230B

Difficulty date
May 23, 2000
Submitted
June 14, 2000
Operation
Air carrier
Aircraft
N512MC
Make and model
Boeing 747230B
Aircraft serial
21220
Part
Skin
Part number
65B041161
Condition
Cracked
Location
Fuselage
Part time
97,064 hours
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

DURING C-CHECK, FOUND 25 INCH CRACK ON FUSELAGE SKIN STA 980L. CRACK STARTS AT STR 37L AND CONTINUES TO STR 38L. ADDITIONALLY, FOUND DRAG SPLICE FITTING CRACKED, FRONT SPAR PRESSURE BULKHEAD CHORD CRACKED, FRONT SPAR PRESSURE BULKHEAD WEB CRACKED, AND STR 38L CRACKED. ACFT REPAIRED BY REPLACING SECTION OF FUSELAGE SKIN, LOWER DRAG SPLICE FITTING, REPAIRING STR PER SRM 53-1-03, FIG NR 5, SPLICING IN NEW FRONT SPAR WEB SECTION, AND RING CHORD REPLACED BY SPLICING IN NEW SECTION PER SB747-53-2362. FORM 8110-3 ISSUED FOR ALL REPAIRS. (X)