SDR UALA2011032901505

Service difficulty report · Brace · Boeing 747422

Difficulty date: March 28, 2011
Submitted: April 4, 2011
Operation: Air carrier
Aircraft: N174UA
Make and model: Boeing 747422
Aircraft serial: 24381
Aircraft time: 82,801 hours, 9,290 cycles
Engine: Pwa PW4056
System (JASC): 7110 · Engine Cowling System
Part: Brace
Condition: Damaged
Location: Nr 2 Cowling
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

NR 2 ENG CORE COWL STRUCTURAL BRACE IS CONTACTING OIL TUBE SUPPORT BRACKET ON BOTH LEFT AND RIGHT SIDES. AREA OF DAMAGE IS BELOW AFT HOLD OPEN ROD MOUNT BRACKET. REMOVED DOUBLER AT COWL HOLD OPEN ROD AT I/B AND O/B COWLS AND DUPLICATED PER BOEING DRAWING. NEEDS MORE WORK AND PRIMING. TRIMMED, DRILLED, PRIMED, ALODINED AND INSTALLED MFG 2 PIECE DOUBLER. WAITING FOR EVA FROM O (PARTIAL). REPAIRED PER UA-EVA-80715 AND UA-EVA-80717 RT AND LT CORE COWLS RESPECTFULLY.