SDR 96ZZZM552

Service difficulty report · Skin · Boeing 727228

Difficulty date: July 9, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N727DH
Make and model: Boeing 727228
Aircraft serial: 20204
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Condition: Corrosion
Location: Ram Air Plenum
Part time: 45,615 hours
Stage of operation: IN
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 D-CHECK, FOUND CORROSION ON UPPER SURFACE OF LEFT RAM AIR PLENUM ABOVE SECONDARY HEAT EXCHANGER. REMOVED CORROSION AS PER SRM 51-10-6. REMOVED FASTENERS PER SRM 51-30-2. NDT CHECK LOSS MATERIAL .090. ALODINED AND PRIMED PER SRM 51-10-2. FABRICATED TWO EXTERNAL DOUBLER AS PER SRM 57-30-3 FIG 8 2024-T3 3.75 BY 13 INCH .080 AND INSTALLED FASTENERS.