SDR AALA2020021219016

Service difficulty report · Nozzle · Boeing 767323

Difficulty date: February 10, 2020
Submitted: February 12, 2020
Operation: Air carrier
Aircraft: N397AN
Make and model: Boeing 767323
Aircraft serial: 29604
Aircraft time: 78,318 hours, 12,906 cycles
System (JASC): 2150 · Cabin Cooling System
Part: Nozzle
Condition: Blocked
Location: A/C Pack Water
Stage of operation: TO
How discovered: O
Nature of condition: B
Precautionary procedure: O

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

What was found

AIRCRAFT WAS GROUNDED: AIRCRAFT STILL HAS A DIRTY SOCKS SMELL ON TAKEOFF AND INITIAL CLIMBOUT. CLEARED BLOCKAGE FROM BOTH PACKS WATER NOZZLES. REPLACED BOTH PACKS HEAP FILTERS. REPLACED RT PACK RECIRC. CHECK VALVE. REPLACED RT RECIRC FAN. REPLACED ENF#2 #1 BEARING MANIFOLD SEAL. PERFORMED BOROSCOPE ON #2 ENG IAW AMM TASK 72-00-00-211-801-H00. NO PROBLEMS NOTED. PERFORMED GRD ENGINE RUN, NO FUMES OR ODORS PRESENT.