SDR UIEA2024112201101

Service difficulty report · Bearing · Boeing 76733A

Difficulty date: November 27, 2024
Submitted: December 2, 2024
Operation: Air carrier
Aircraft: N1997A
Make and model: Boeing 76733A
Aircraft serial: 27310
Aircraft time: 107,041 hours, 23,204 cycles
Engine: Ge CF680C2B6F
System (JASC): 7250 · Turbine Section
Part: Bearing
Condition: Coked
Location: Nr 1 Engine
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

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

What was found

ENGINE 1, BEARING #5, LH/RH SUMP PIPES WITH LEAK EVIDENCE.(<P>DURING VISUAL EXAMINATION, OIL COKE BUILD-UP WAS FOUND, COKING WAS REMOVED AND NO OIL LEAK WAS FOUND IN LH/RH SUMP PIPES IAW AMM SUBTASK 72- 50-00-216-032-H00 REV. 143 DATE: 22 AUG 2024. C/W IDLE LEAK CHECK TEST TRANSFER TO 8007 ITEM NUMBER 34. NO FURTHER DEFECTS NOTED</P>)

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