Service difficulty report · Engine · Boeing 7378

Difficulty date
September 10, 2023
Submitted
December 12, 2023
Operation
Air carrier
Aircraft
N27283
Make and model
Boeing 7378
Aircraft serial
61857
Aircraft time
1,405 hours, 528 cycles
Engine
Cfmint LEAP1B28
Engine time
1,451 hours, 554 cycles
Part
Engine
Condition
Damaged
Location
Nr 2
Stage of operation
CL
How discovered
O
Nature of condition
C, J
Precautionary procedure
A

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

What was found

LARGE BIRD INGESTED AT 154 KTS ON TAKEOFF NO. 2 ENGINE. 3.8 VIBS . DID NOT S/D ENGINE. RTB. PRELIMINARY INSP REF AMM 05-51-18. SEVERAL FAN BLADES DAMAGED. DEACTIVATED TE & LE FLAPS & SLATS IAW AMM 27-51-00 & 27-81-00. DEACTIVATED TE FLAP BYPASS VALVE, SAFETY PIN INSTALLED. DEACTIVATED LE CRUISE DEPRESSURIZATION VALVE & ACCOPMLISHED BIRD STRIKE INSP IAW AMM 05-51-18-210-801. ONLY DAMAGE FOUND TO BE AT #2 ENGINE. INSTALLED SAFETY PIN. BOROSCOPE SHOWED NO INTERNAL DAMAGE. REPLACED FAN BLADE SET & ACOUSTICAL PANELS. REPAIRED FAN CASE ABRAIDABLE LINER. REPLACED OIL COOLERS IAW AMM 72-22-00. INSTALL NEW BLADE & FILLER SET IAW AMM 72-22-02-400-803-G00. FOUND 4 DEEP PUNCTURES IN ENGINE TWO INBOARD TR TRANSLATING SLEEVE INBOARD & OUTBOARD ACCOUSTIC PANEL. REF SRM 54-30-01-1A-6 , COMPLIED WITH EC/RA 7831-03331 PART 1 STEPS A, B & C. STEP C, ECRA 7831-03331 STEPS C - E, SRM 54-30-01. L REPLACED #2 ENGINE REF WORK CARD 61-7100-1-4800 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1809402 SN OFF 3391 ENGINE, BASIC, OFF 42-7200-9-0001 3391 ON 0000 ENGINE, BASIC, OFF 42-7200-9-0001 3391 ON 42-7200-9-0001 0598. ORIGINAL SUBMISSION DATE: 9/13/2023.

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