SDR DALA1105506308

Service difficulty report · Skin · Boeing 747451

Difficulty date: January 11, 2011
Submitted: January 25, 2011
Operation: Air carrier
Aircraft: N668US
Make and model: Boeing 747451
Aircraft serial: 24223
Aircraft time: 88,742 hours, 10,970 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Condition: Damaged
Location: Sta 524 S46r
Stage of operation: IN
How discovered: 9
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

FUSELAGE STA 524, RBL6", S-46R SKIN PROTRUDED. CHECKED LIMITS IAW SRM53-00-01, P102 FIG101. THE DAMAGE IS WITHOUT LIMIT. REPAIRED THE PROTRUDED SKIN IAW SRM 53-00-01 FIG201, P204. REPAIR 6, WIDTH0.98", DEPTH 0.12". REQUIRES REPEAT INSP EXTERNAL HFEC AT 6,000, FLT CYCLES. EXTERNAL DETAIL INSP AT 1,000 FLT CYCLES. TO BEGIN AFTER 15,000 FLT CYCLES, RII COMPLETED.