Service difficulty report · Acoustic Panel · Boeing 747271C

Difficulty date
November 17, 2007
Submitted
December 3, 2007
Operation
Air carrier
Aircraft
N537MC
Make and model
Boeing 747271C
Aircraft serial
22403
Aircraft time
98,496 hours, 19,325 cycles
Engine
Ge CF650E2
Part
Acoustic Panel
Condition
Cracked
Location
Nr 2 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

DURING A CHECK INSPECTION, NR 2 ENGINE NOSE COWL, VISUALLY FOUND AFT INNER SKIN OF ACOUSTIC PANEL CRACKED THREE PLACES (AS VIEWED WITH COWL OPEN): 6 O'CLOCK/8 INCHES LONG; 06:45 O'CLOCK/11 INCHES LONG; 7 O'CLOCK/15 INCHES LONG. APPLIED INTERIM REPAIR IAW SRM 54-00-02,51-40-09 FIGURE 9 AND XEO 71-111707. VISUAL INSPECTION REQUIRED EVERY FLIGHT CYCLE UNTIL NOSE COWL REPLACED.