SDR UALA2011021100731

Service difficulty report · Skin · Boeing 747422

Difficulty date: February 11, 2011
Submitted: February 17, 2011
Operation: Air carrier
Aircraft: N178UA
Make and model: Boeing 747422
Aircraft serial: 24385
Aircraft time: 85,271 hours, 10,369 cycles
Engine: Pwa PW4056
System (JASC): 5210 · Passenger/Crew Doors
Part: Skin
Condition: Cracked
Location: Pax Door
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

LT NR 5 MAIN ENTRY DOOR SKIN CRACK. 8" FWD FROM STA 2240, S18L. LENGTH 1". MAJOR REPAIR ACCOMPLISHED: TRIMMED SKIN AND INSTALLED DOUBLER IAW EVA 80568. CRACK IS ON EXT DOOR SKIN, LONGITUDINALLY FROM THE FWD EDGE OF THE DOOR, JUST ABOVE DOOR HORZ BEAM 13, REPORTED AS 0.75 INCHES LONG.