SDR USAA010899

Service difficulty report · Keelbeam · Boeing 7373B7

Difficulty date: July 20, 2001
Submitted: August 7, 2001
Operation: Air carrier
Aircraft: N371US
Make and model: Boeing 7373B7
Aircraft serial: 22950
System (JASC): 5314 · Fuselage Main, Keel
Part: Keelbeam
Condition: Corroded
Location: Fuselage
Part time: 46,925 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

CLT - FOUND KEEL BEAM STRINGER CORRODED 3 INCHES BY 4 INCH AREA, BS 727D TO E, LEFT KEEL BEAM. CORROSION LEVEL 2, TASK NR C53-202-01. REMOVED KEEL BEAM, REMOVED CORROSION, REINSTALLED KEEL BEAM AND REPAIR DOUBLER/TRIPLER PER EA 69835. (M)

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