Service difficulty report · Skin · Boeing 747243B

Difficulty date
January 22, 2003
Submitted
March 4, 2003
Operation
Air carrier
Aircraft
N516MC
Make and model
Boeing 747243B
Aircraft serial
22507
Part
Skin
Part number
65B9405326
Condition
Wrinkled
Location
Nr 2 Nacelle
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

DURING CURRENT C-CHECK AT SIA, FOUND NR 2 PYLON R/S SKIN WRINKLED TWO PLACES FROM 1) NAC 286 TO 300 AT STR 5, 2) NAC 300 TO 316 AT STRINGER6. REPAIR AREA (1) CUTOUT EXISTING DAMAGE IN FLAT BAY AREAS ONLY. HFEC INSPECTED ALL OPEN HOLES, CUT EDGES AND ADJACENT STRUCTURE FOR CRACKS AND TEMPER LOSS. NO DAMAGE OR TEMPER LOSS FOUND. FABRICATED ADDITIONAL DOUBLER AND TRIPLER SPLICE PLATE. INSTALLED PER SRM STANDARD PRACTICES. (2) SKIN WRINKLE IS SMOOTH AND ROUND AND DOES NOT EXCEED .050 INCH DEEP. HFEC INSPECTED AREA AS ABOVE. NO DEFECTS OR TEMPER LOSS. NO REPAIR REQUIRED IN AREA 2 BUT IT MUST BE INSPECTED AT EVER 'C' CHECK NOT TO EXCEED 18 MONTHS, REF SRM 51-10-01 AND 54-31-03. (M)