Service difficulty report · Engine · Boeing 7879

Difficulty date
April 18, 2026
Submitted
April 21, 2026
Operation
Air carrier
Aircraft
N28987
Make and model
Boeing 7879
Aircraft serial
66146
Aircraft time
25,372 hours, 2,458 cycles
Engine
Ge
Part
Engine
Condition
No Discrepancy
Location
Left
Stage of operation
NR
How discovered
O
Nature of condition
E, B
Precautionary procedure
O

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

What was found

ACFT STRCK BY LIGHTNING ON LT ENGINE. BURNED ODOR FOR 3 MIN AFT ER. DEBRIEFED CREW AND THEY STATED , NR 1 ENGINE VIBE SPIKED DURING FLIGHT LEVEL CHANGED AT THAT MOMENT THEN BACK TO NORMAL . LEG 0 MX MESSAGE FOUND 77-11611 NOT ACTIVE AT THIS TIME . WALKED AROUND ENGINE COULD NOT FIND ANY VISIBLE DAMAGE . PERFORMED LIGHTING STRIKE INSPECTION IAW AMM 05-51-19. NO DEFECTS NOTED. CAPT INFORMS THAT ODOR ONLY NO SMOKE LASTED 3 MINS PRIMARILY IN COCKPIT ONLY. ODOR DESCRIBED AS OZONE, ACRID LIKE BURNING PAPER. THE ODOR APPEARED CONINCIDING WITH LIGHTNING STRIKE. SECOND FLYING PILOT REPORTED ODOR AS A POSSIBLE ELECTRICAL BURNING . ODOR DISAPPATED AFTER 3 MINS. OPENED & CLOSED FAN COWL AND THRUST REVERSER IAW AMM 78-31-00. NO LIGHTING STRIKE DAMAGED NOTED. OPENED & CLOSED NR 1 FAN COWL & THRUST REVERSER IAW AMM 78-31-00. NO LIGHTING STRIKE DAMAGED NOTED. WHILE RUNNING ENGINES FOR VIBRATION CHK RAN BOTH PACKS, NO ODOR FOUND. PERFORMED ENGINE LOW VIBRATION INSP. PRIOR, DURING OR AFTER ENGINE RUN NO ACTIVE MESSAGES FOR ENGINE 1 VIBRATION. OPS CHECK GOOD. REF AMM 71-00-00 26A-280A WHILE RUNNING ENGINES FOR VIB CK RAN BOTH PKS NO SMELLS FOUND, DISCUSS WITH TOMC REF AMM DMC-B787-A-05-51-99-99A-282A-A.

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