SDR WRNA200500013

Service difficulty report · Engine · Boeing 7472U3B

Difficulty date: May 21, 2005
Submitted: May 27, 2005
Operation: Air carrier
Aircraft: N922FT
Make and model: Boeing 7472U3B
Aircraft serial: 22768
Aircraft time: 77,054 hours, 18,766 cycles
Engine: Pwa JT9D7Q
Engine time: 59,325 hours, 15,078 cycles
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Engine
Condition: Damaged
Location: Nr 1
Stage of operation: CL
How discovered: O
Nature of condition: O
Precautionary procedure: A

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

What was found

NR1 ENGINE COMPRESSOR STALLED AT FL 11.5, AIRCRAFT RETURNED. LANDING NORMAL. ENGINE BOROSCOPE COMPLIED WITH, NO DISCREPANCIES NOTED. NR 1 ENGINE FAN CASING ACOUSTIC LINERS FROM 1O`CLOCK TO 8 O'CLOCK POSITION DAMAGED. REMOVED AND REPLACED PANELS IAW 72-31-08, NR1 ENGINE INTAKE ACOUSTIC LINER BEARING FAN BLADE RUB STRIP DAMAGED, REMOVED AND REPLACED LINER IAW 72-31-00. AIRCRAFT RETURNED TO SERVICE.

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