Service difficulty report · Clamp · Boeing 737990ER

Difficulty date
June 28, 2021
Submitted
June 30, 2021
Operation
Air carrier
Aircraft
N428AS
Make and model
Boeing 737990ER
Aircraft serial
36353
Aircraft time
20,020 hours, 6,348 cycles
Part
Clamp
Part number
BACC10DU300ABE
Condition
Leaking
Location
Lt Tcv
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

L/WING BODY OVERHEAT LIGHT IS ILLUMINATED. GROUNDED - YES. FOUND HOT AIR LEAK AT AFT CLAMP ON L/H TCV. WING BODY OVERHEAT DETECTOR SHOWS CODE 24 LEFT A/C PACK BAY ALARM REF B737-900 FIM 26-18 TASK 201. REMOVED AND REPLACED L/H TCV AFT CLAMP REF B737-900 AMM 21-51-10. OPS AND LEAK CK GOOD. OK FOR SERVICE.