SDR DALA1105496308

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: Bs 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, RBL 6", S-46R SKIN PROTRUDED. CHECKED LIMITS IAW SRM 53-00-01, P102, FIG 101. THE DAMAGE IS WITHOUT LIMIT. REPAIRED THE PROTRUDE IAW SRM 53-00-01, FIG 201, P204. REPAIR 6, WIDTH 0.98", DEPTH 0.12". REQUIRES REPEAT INSPECTIONS. EXTERNAL HFEC AT 6,000 FLT CYCLES. EXTERNAL DETAIL INSP AT 1,000 FLT CYCLES, TO BEGIN AFTER 15,000 FLT CYCLES, RII COMPLETED.