Service difficulty report · Seal · Boeing 7673BG

Difficulty date
July 7, 2025
Submitted
August 1, 2025
Operation
Air carrier
Aircraft
N566NC
Make and model
Boeing 7673BG
Aircraft serial
30566
Aircraft time
78,361 hours, 20,248 cycles
Part
Seal
Condition
Leaking
Location
Ht Exch Duct
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

RIGHT HEAT EXCHANGER SLEEVE FOUND AIR LEAK. REMOVED AND REPLACED RT AIR CONDITIONING AFT SURFACE BODY CROSS OVERDUCT SLEEVE SEAL IAW AMM 36-11-01 REV 145. NO LEAK.

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