Service difficulty report · Aileron · Boeing 757222

Difficulty date
July 17, 2011
Submitted
August 12, 2011
Operation
Air carrier
Aircraft
N577UA
Make and model
Boeing 757222
Aircraft serial
26693
Aircraft time
60,701 hours, 21,425 cycles
Engine
Pwa PW2037
Part
Aileron
Condition
Out Of Adjust
Location
Wing
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

LATERAL TRIM OUT OF LIMITS AT 350 F0 1.8R, 250 F0 1.0R 180 F5 0.5R, 160 F20 0, 140 F25 0.2R, 130 F30 0. ADJUSTED THE FLAP SHIMS AND SPOILER GAPS PER MM. CREW REPORTS LATERAL TRIM AT FLAPS 20 AND 25 IS OUT OF LIMITS. WITH RUDDER SET AT ZERO THE REQUIRED LATERAL TRIM IS .5 RWD 350, 0.3 RWD AT 250, 0.2 LWD AT 180 - FLAPS 5, 0.8 LWD 140 FLAPS 25 GEAR DOWN AND ZERO 130 - FLAPS 30 GEAR DOWN. ADJUSTED LATERAL TRIM IAW B757-200 AMM. DURING TEST FLIGHT FOUND OUT OF LIMITS. 130 F30 .8L, 140 F25 1.4L, 160 F20 1.1L, 180 F5 .9L, 250 F0 .6L 350 F0 .3L ALL POINTS BALANCED FUEL AND RUDDER TRIM 0. ADJUSTED LATERAL TRIM AND ADJUSTED LT AILERON PER MM. ADDED .097 SHIMS TO THE LT INBD & OTBD POSITIONS PER MM AND ADJUSTED LT AILERON PCA PER MM.