SDR DLL14001753

Service difficulty report · Warning Light · Lkheed 1011385115

Difficulty date: September 11, 2000
Submitted: September 14, 2000
Operation: Air carrier
Aircraft: N1739D
Make and model: Lkheed 1011385115
Aircraft serial: 193C1237
Aircraft time: 72,377 hours, 17,996 cycles
Engine: Rroyce RB211524B4
Engine time: 52,500 hours, 12,116 cycles
System (JASC): 7730 · Engine Ignition Analyzer System
Part: Warning Light
Condition: False Indication
Location: Nr 1 Engine
Stage of operation: TO
How discovered: O
Nature of condition: N
Precautionary procedure: C

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

What was found

VIB LIGHT NR 1 ENG A MODE N1 -.7 N2 - 1.0 N3 - 2.4 B MODE N1 - .7 N2 - 1.0 N3 - 2.0. INSPECTED CHIP DET ON NR 1 ENG, NO METAL FOUND. ALSO CHECKED SECURITY OF ACCESSARY UNITS ON ENG, ALL CHECKED OK. PERFORMED ENG RUN PER PFHB TEST 11 ALL READINGS WITHIN LIMITS OF PFHB TABLE 111.