SDR UIEA01084

Service difficulty report · Skin · Boeing 7472D3B

Difficulty date: July 25, 2001
Submitted: August 24, 2001
Operation: Air carrier
Aircraft: N506MC
Make and model: Boeing 7472D3B
Aircraft serial: 21252
System (JASC): 5730 · Wing, Plate/Skin
Part: Skin
Condition: Corroded
Location: Lt Wing
Part time: 73,880 hours
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

DURING INSPECTION, FOUND CORROSION INSIDE THE LEFT WING BOOST PUMP HOUSING AT WS 677 ON THE UPPER WING SKIN SURFACE LIP EXPOSED WITHIN THE HOUSING. CORROSION REMOVED, POLISHED, SHOT PEENED, TREATED AND MEASURED. AREA FILLED IN WITH EPOCAST. ROTART DOOR LATCH CHANGED TO NYLON ASSEMBLY. (M)

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