What was found
DURING CLIMB FROM ORD, THE NR 2 ENGINE N1 WAS INDICATING .16 LOWER THAN THE NR 1 ENGINE. THE AIRCRAFT RETURNED TO ORD AND LANDED WITHOUT INCIDENT. REMOVED AND REPLACED CRACKED TUBE OFF NR 2 ENGINE P1 PROBE. OPERATIONAL CHECK NORMAL.
- Difficulty date
- April 8, 2005
- Submitted
- April 18, 2005
- Operation
- Air carrier
- Aircraft
- N753NA
- Make and model
- Boeing 75728A
- Aircraft serial
- 24544
- Aircraft time
- 58,755 hours, 16,772 cycles
- Engine
- Rroyce RB211535E4
- System (JASC)
- 7540 · Bleed Air Indicating System
- Part
- Tube
- Part number
- LJ35801
- Condition
- Cracked
- Location
- Nr 2 P1 Probe
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.