SDR 99UAL900371

Service difficulty report · Skin · Boeing 727222

Difficulty date: June 23, 1999
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N7448U
Make and model: Boeing 727222
Aircraft serial: 21902
Engine: Pwa JT8D15
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Condition: Cracked
Location: Bs 208
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

CRACKS WERE FOUND IN THE FUSELAGE BELLY SKIN AT BS 208, LBL 1. THE CRACKS WERE COMMON TO FOUR FASTENER HOLES COMMON TO A DRAIN HOLE FLAPPER VALVE. THE CRACKS WERE CLEANED UP BY OVERSIZING ALL FOUR HOLES TO 0.421 INCH DIAMETER. THE SKIN WAS CUT OUT AROUND THE DISCREPANT HOLES AND AN EXTERNAL DOUBLER INSTALLED. THIS REPAIR WAS APPROVED BY TIMCO'S DER WITH AN 8110-3.