SDR DALA2019051603032

Service difficulty report · Isolator · Boeing 757232

Difficulty date: May 14, 2019
Submitted: May 16, 2019
Operation: Air carrier
Aircraft: N682DA
Make and model: Boeing 757232
Aircraft serial: 26958
Aircraft time: 82,696 hours, 37,308 cycles
Engine: Pwa PW2037
Engine time: 90,350 hours, 37,690 cycles
System (JASC): 7120 · Engine Mount Section
Part: Isolator
Condition: Corroded
Location: 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

(AIRCRAFT 682, L/P 1075071) HIDDEN CORROSION. AFTER ISOLATOR ASSEMBLY REMOVAL FROM FORWARD ENGINE MOUNT ISOLATOR A VISUAL INSPECTION WAS PERFORMED PER AMM 71-21-03-424-013-P00 PARAGRAPH E AND CORROSION WAS FOUND ON FORWARD ENGINE MOUNT BEAM. CORRECTIVE ACTION: FORWARD ENGINE MOUNT ISOLATOR WAS REPLACED PER NEW FORWARD ENGINE MOUNT ISOLATOR PER AMM 71-21-03-424-013-P00 AND FORWARD LOWER ENGINE MOUNT WAS REPLACED PER NEW FORWARD LOWER ENGINE MOUNT PER AMM 71-21-01-404-005-P00Q.