SDR UPS02238112

Service difficulty report · Doubler · Boeing 727180C

Difficulty date: April 18, 2002
Submitted: May 3, 2002
Operation: Air carrier
Aircraft: N921UP
Make and model: Boeing 727180C
Aircraft serial: 19874
Aircraft time: 47,850 hours, 34,919 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Doubler
Condition: Corroded
Location: Fuselage
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

INSPECTION TYPE:C SUSPECT CORROSION BETWEEN FUSELAGE SKIN AND TOILET SERVICE PAN UPPER FLANGE, AFT SERVICE PAN. AREA PAINT STRIPPED, SERVICE PAN DE-RIVETED AND REMOVED, SKIN PANEL DE-RIVETED BETWEEN STR 17L-23L BS 1183 - 1150. INTERNAL DOUBLER AROUND PAN FOUND CORRODED AND REMOVED. NEW STIFFENER AND DOUBLER FABRICATED. PARTS REINSTALLED IAW SRM 51-30-02 AND DWG 65-18386 AND 65-18385.