Service difficulty report · Gearbox · Boeing 757224

Difficulty date
November 26, 2018
Submitted
December 2, 2018
Operation
Air carrier
Aircraft
N13110
Make and model
Boeing 757224
Aircraft serial
27300
Aircraft time
92,194 hours, 22,209 cycles
Engine
Rroyce RB211535E4B3
Engine time
83,066 hours, 20,744 cycles
Part
Gearbox
Condition
Failed
Location
Nr 2 Engine
Stage of operation
CL
How discovered
O
Nature of condition
X, Y, J
Precautionary procedure
E, A

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

What was found

RT ENG FAILED DURING CLIMBOUT PASSING APPROX FL330 M.81 RT EN G SHOW ED 0 OIL PRESS AND 0 N3. REMOVED 3 EA MCD''S PER AMM 79-00-00-216-001-R00. FOUND UNSERVICEABLE METAL CHIPS ON MASTER MCD, INTERNAL GEARBOX, HIGH SPEED EXTERNAL GEARBOX. REMOVED BORESCOPE PLUG ''H'' AND GEARBOX DRIVE PAD COVER. PERFORMED INITIAL BORESCOPE INSP AND CONFIRMED THAT THERE WAS NO HPT CORE ROTATION. SIGNIFICANT VIBRATION NOTED WHEN MANUAL TURNING OF CORE. PER AMM 79-00-00-216-001-R00, PARAGRAPH F (6) (D)1, REPLACE ENGINE. PICTURES OF MCD FINDINGS UPLOADED TO RVI WEBSITE