Service difficulty report · Heat Exchanger · Boeing 737823

Difficulty date
August 3, 2016
Submitted
August 5, 2016
Operation
Air carrier
Aircraft
N962AN
Make and model
Boeing 737823
Aircraft serial
30858
Aircraft time
46,259 hours, 19,227 cycles
Part
Heat Exchanger
Condition
Leaking
Location
Rt A/C Pack
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING CRUISE, THE RIGHT WING BODY OVERHEAT LIGHT ILLUMINATED. QRH PROCEDURE FOLLOWED AND LIGHT REMAINED ILLUMINATED. EMERGENCY DECLARED, LANDING UNEVENTFUL, AND AIRCRAFT GROUNDED. MAINTENANCE FOUND A LEAK IN THE RIGHT PACK AIR BOX. REMOVED AND REPLACED PRIMARY AND SECONDARY HEAT EXCHANGERS IAW AMM 21-51-03. OPS CHECKED NORMAL.