SDR USAA950570

Service difficulty report · Keel Beam · Boeing 737301

Difficulty date
May 5, 1995
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N336US
Make and model
Boeing 737301
Aircraft serial
23233
Part
Keel Beam
Condition
Corroded
Location
Bs 540
Part time
27,235 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

INT - DURING Q-5 CHECK VISUAL INSPECTION, FOUND 1.25 INCH CRACK, 5.25 INCH BY 2 INCH CORRODED AREA BS 540, RBL 6.5 (LOWER FLANGE OF KEEL BEAM). REPAIRED PER EA 5369-20 EA 39273 EA 39272. CORROSION TASK NR C53-212-01. CORROSION LEVEL 2. (M)