SDR UALA2012012600551

Service difficulty report · Keelbeam · Boeing 757222

Difficulty date: January 26, 2012
Submitted: February 23, 2012
Operation: Air carrier
Aircraft: N581UA
Make and model: Boeing 757222
Aircraft serial: 26701
Aircraft time: 62,186 hours, 22,017 cycles
Engine: Pwa PW2037
System (JASC): 5314 · Fuselage Main, Keel
Part: Keelbeam
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

RT MAIN LANDING GEAR WHEEL WELL, FOUND ON CENTER KEEL BEAM LEVELING INDEX PLATE DISTORTED, SUSPECT CORROSION BELOW IT. REMOVED PLATE, FOUND FILLER EXFOLIATED, REMOVED FILLER. FOUND SURFACE CORROSION WHERE PLATE MEETS KEEL BEAM. REMOVED CORROSION, REMAINING MATERIAL WITHIN LIMITS PER SRM 53-30-12. ALODINED, PRIMED AFFECTED AREA. NEW FILLER MACHINED FROM 7075 T6. REQUIRES INSTALLATION. ACCOMPLISHED HFEC (PART (PARTIAL). REPAIRED PER ECRA #5340-01458. PERMANENT REPAIR REQUIRED NO LATER THAN AUG 06 2013.