Service difficulty report · Heat Shield · Boeing 7378

Difficulty date
April 25, 2026
Submitted
April 29, 2026
Operation
Air carrier
Aircraft
N8718Q
Make and model
Boeing 7378
Aircraft serial
42546
Aircraft time
19,351 hours, 9,064 cycles
Part
Heat Shield
Condition
Cracked
Location
Zone 400
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 MEASURING 14.5 INCHES LONG ON NR 2 AFT LOWER PYLON HEAT SHEILD LOCATED 28 INCHES FWD OF AFT EDGE. LT OF CRACKED STOPS .312 AWAY FROM NEAREST FASTENER; RIGHT SIDE OF CRACK STOPS .33 AWAY FROM NEAREST FASTENER. COMPLIED WITH EA 26-154-01126 AND APPLIED SEALANT TO NR 2 PYLON CRACK.

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