SDR ASAA2022052738490

Service difficulty report · Duct · Boeing 737900ER

Difficulty date: May 27, 2022
Submitted: May 31, 2022
Operation: Air carrier
Aircraft: N408AS
Make and model: Boeing 737900ER
Aircraft serial: 41732
Aircraft time: 34,658 hours, 10,996 cycles
System (JASC): 3020 · Air Intake Anti/De-Ice System
Part: Duct
Part number: 332A239048
Condition: Gouged
Location: #2 Engine
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

REF T/C 78472000 #2 ENGINE INLET AND FAN BLADE DETAILED INSPECTION: FOUND UPPER, L/H SIDE MOUNT POINT ON TAI VALVE FWD DUCT GOUGED FROM BAD ROD END (M) ALF. GROUNDED - YES. REPLACED #2 ENGINE TAI VALVE FWD DUCT REF CFM56-7 PPBUM 71-00-02 FIG 27-1 AND B737-900 AMM 71-11-01-400-803 STEP 70-(9). ACCOMPLISHED SECONDARY CHECK OF CLAMPS PER STEP 9.H. AMM 71-11-01-400-805-F00. LEAK CHCK OF FWD DUCT TRANSFERRED TO EBU SHOP W/O 1912286 N/R # 00005 FOR DISPOSITION.

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