Service difficulty report · Blade · Boeing 777222

Difficulty date
November 25, 2025
Submitted
November 28, 2025
Operation
Air carrier
Aircraft
N786UA
Make and model
Boeing 777222
Aircraft serial
26938
Aircraft time
113,032 hours, 15,135 cycles
Engine
Pwa PW4090
Engine time
15,109 hours, 1,895 cycles
Part
Blade
Part number
51A76701
Condition
Damaged
Location
Nr 1 Engine
Stage of operation
IN
How discovered
V
Nature of condition
C
Precautionary procedure
K

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

What was found

NUMBER 1 ENGINE FAN BLADE FAIRING N6 HAD PART OF THE TRAILING EDGE OF THE FAIRING THAT DEPART THE AIRPLANE. THE PART MISSING IS 8 BY 6 INCHES, (24 SQ INCHES) PERFORMED FOD INSPECTION IAW AMM 72-00-00-210-808-N02, THERE IS NO EVIDENCE OF BIRD STRIKE OR CORE INGESTION. BLADE FAIRING REPLACED IAW AMM 72-31-07 PB401.