Service difficulty report · Frame · Boeing 747212B

Difficulty date
June 2, 2004
Submitted
July 1, 2004
Operation
Air carrier
Aircraft
N808MC
Make and model
Boeing 747212B
Aircraft serial
21048
Engine
Ge CF650E2
Part
Frame
Condition
Damaged
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

D CHECK, DURING MAINT INSP FOUND COCKPIT EMERGENCY EXIT DOOR CUTOUT FRAME AND CHORDS DAMAGED BETWEEN STA 360 AND 380 WITH MISDRILLED HOLES BETWEEN STRINGER 2L AND 2AL. SEVERAL MISDRILLED HOLES AND DRILL STARTS WERE REPAIRED AS FOLLOWS. FOR BS 360, WEB DAMAGE WAS TRIMMED OUT AND REPLACEMENT WEB WAS SPLICED IN. THE CHORD DAMAGED WAS BLENDED OUT. FOR BS 380, THE WEB WAS CUT BETWEEN S2AL AND S3L AND REPLACED TO S0 WITH A WEB SPLICE AT THE CUT LOCATION. THE INNER CHORD DAMAGE WAS TRIMMED OUT AND REPAIR ANGLE INSTALLED.

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