Service difficulty report · Fairing · Boeing 757224

Difficulty date
July 14, 2025
Submitted
July 18, 2025
Operation
Air carrier
Aircraft
N12109
Make and model
Boeing 757224
Aircraft serial
27299
Aircraft time
113,964 hours, 26,532 cycles
Engine
Rroyce RB211535E4B3
Part
Fairing
Part number
UL34007
Condition
Cracked
Location
Nr 2 Eng Spinner
Stage of operation
CL
How discovered
O
Nature of condition
E
Precautionary procedure
A

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

What was found

DUE TO VIBRATION TRENDS ON THE NR 2 ENGINE. WHILE PERFORMING INSPECTION OF INLET & FAN BLADES FOUND SPINNER FAIRING CRACKED. R & R SPINNER FAIRING PER AMM TASK. 72-35-01-404-010-R04 PERFORMED FIM TASK ON NR 2 ENG BVCU 75-32-00/101 (FIG 103), NO FAULTS NOTED. ALSO TPU FIM TASK 75-32-00/101 (FIG 104) FAULT CODE 40 NOTED. PERFORMED BLADE TIP MINICLEARANCE EXAMINATION IAW AMM 72-31-13. BLADE CLEARANCE WITHIN LIMITS. PERFORMED FIM TASK 71-05 FAULT TREE 808 BLOCKS 1 THRU 4. NO DEFECTS OR FAULTS NOTED. R & R NR 2 SCAVENGE & PRESSURE FILTERS IAW AMM 79-21-07 & 79-21-08. PERFORMED LEAK CHECK OF OIL FILTERS & CHIP DETECTORS. NO LEAKS NOTED. PERFORMED TEST 6 VIBRATION SURVEY. TEST WITHIN LIMITS. A/C OK FOR SERVICE.