Service difficulty report · Engine · Boeing 757224

Difficulty date
February 7, 2022
Submitted
February 7, 2022
Operation
Air carrier
Aircraft
N17139
Make and model
Boeing 757224
Aircraft serial
30352
Aircraft time
81,045 hours, 19,530 cycles
Engine
Rroyce RB211*
Part
Engine
Part number
NA
Condition
Vibration
Location
Engine#1
Stage of operation
CR
How discovered
O
Nature of condition
E
Precautionary procedure
A, O

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

What was found

NO 1 ENG VIBE 2.6-3.0 NO VIBE FELT 2.6-3.0 HIGHEST IND FL390 PER PREVIOUS UPDATE CODE B7 ON AVM CHECKED WIREING SECURITY AT ENGINE 1 TRANDUCER, FOUND ALL SECURE THIS LOG HAS BEEN LOCKED BY THE TOMC MGR DUE TO EMERGENCY UNLOCKED FOR MX UPDATE DECLARATION. L AVM CONTROLLER P/N S360N021-452 SHOWS CODE B7 AFTER LANDING & PER FAULT CODE DIAGRAM TROUBLE SHOT PER FIM 71-05 FAULT TREE REMOVED #1 ENG VIBREATIOB TRANSMITTER REF AMM 77-31-01. BEFORE PRESSING DATA BUTTON. CODE CLEARED AFTER PRESSING DATA 808. CHECKED CHIP DETECTORS AND FOUND NO DEBRIS, CHECKED SCAVEN INSTALLED #1 ENG VIBRATION TRANSMITTER REF AMM BUTON. READ FAULT CODE DATA IAW AMM 77-31-00-702-01-R00 GE AND PRESSURE FILTERS FOUND NO DEBRIS, CHECKED TAIL PIPE NO 77-31-01-404-020-R00 THRU STEP F(3). ADD FAULT: B7 METAL FOUND, CHECKED ANNULUS FILLERS AND FAN NO FOD OR DAMAGE ROTABLE PARTS CHANGE WAS INDICATED - TT # 1042979 SN OFF 0745 TRANSMITTER, VI OFF 19-7731-9-9001 0745 ON 19-7731-9-9001 6039 COMPRESSOR INSPECTION & TASK 72-00-00-206-167-R02 HIGH PRESSURE 72-00-00-866-142-R02 AND AMM 72-00-00-206-147-R02 (HP) TURBINE INSPECTION. SPECIFICALLY DAMAGED ROTATIONAL RELATED PARTS ARE OF CONCERN. PERFORMED WIRING CHECKS REF. SSM 77-31-01 FROM LT EVM M132 CONTINUED B7 FAULT - ACCELEROMETER & WIRE CHECKS DID NOT AFTER INDICATION SYSTEM CHECKS (NFF) & ENGINE RUNS, THE HIGH PREPARED #1 ENGINE FOR BORESCOPE INSPECTION REMOVED LOWER RIGHT PERFORMED INSPECTION OF HPC AMM 72-00-00-206-154-R02 AND HPT AMM DAMAGE