Service difficulty report · Precooler · Airbus A321211

Difficulty date
December 28, 2022
Submitted
January 3, 2023
Operation
Air carrier
Aircraft
N702FR
Make and model
Airbus A321211
Aircraft serial
06825
Aircraft time
23,892 hours, 10,156 cycles
Engine
Cfmint CFM565B33
Part
Precooler
Part number
3732A010000
Part serial
81171253937
Condition
Ruptured
Location
Nr 1 Engine
Part time
4,122 hours, 1,783 cycles
Stage of operation
CL
How discovered
O
Nature of condition
K, B
Precautionary procedure
A

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

What was found

AIR RETURN. STRONG BURNING ODOR IN COCKPIT & CABIN, PERFORMED TROUBLESHOOTING IAW TSM 05-50-00-810-831-A. PERFORMED APU INSPECTION IAW 49-00-00-200-814 NO LEAKS NOTED. RAN NR 1 PACK FOR 20 MINS NO ODOR NOTED. NR 1 ENG PRECOOLER FOUND LEAKING AND RUPTURED AND REPLACED.

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