Service difficulty report · Skin · Boeing 7474H6

Difficulty date
September 21, 2009
Submitted
October 13, 2009
Operation
Air carrier
Aircraft
N740WA
Make and model
Boeing 7474H6
Aircraft serial
25700
Aircraft time
64,732 hours, 8,643 cycles
Engine
Pwa PW4056
Part
Skin
Condition
Cracked
Location
Nr 1 Nacelle
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

CRACK - FND NR 1 PYLON RT SIDE INNER SKIN CRACK 1 INCH JUST NEAR PRESSURE REGULATION SHUTOFF VALVE ACCESS PANEL NR 452ER. BLEND SMOOTH THE CHAFING AREA IAW 747-400 SRM 51-10-02. PFM NDT/UT MEASURE DAMAGE AREA REF TO JOB CARD ATTACHING SHEET NO 074029. ACCOMPLISHED IAW EI NR W2009A54B-1116 REV 02.

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