SDR DHL2001727525

Service difficulty report · Plenum · Boeing 727228

Difficulty date: August 20, 2001
Submitted: September 10, 2001
Operation: Air carrier
Aircraft: N727DH
Make and model: Boeing 727228
System (JASC): 5730 · Wing, Plate/Skin
Part: Plenum
Condition: Corroded
Location: Rt Wing
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

CENTER WING RT UPPER WALL OF RAM AIR PLENUM CHAMBER HAS SPOTS OF CORROSION APPROX BS 800. REMOVED CORROSION PER SRM 51-10-6. (MATERIAL LOSS 0.055 FOUND TO BE OUT OF LIMITS PER SRM 57-30-1 FIG 4. FLAP PEENED AREAS OF BLEND OUT PER SOP M-20-10-03. ACCOMP SHOT PEEN PER SRM 57-30-03. INSTALLED EXTERNAL REPAIR AT LOWER SKIN OF PLENUM PER SRM 57-30-03 FIG 8.