Service difficulty report · Light · Boeing 7673CB

Difficulty date
October 15, 2026
Submitted
October 19, 2026
Operation
Air carrier
Aircraft
N686UA
Make and model
Boeing 7673CB
Aircraft serial
33468
Aircraft time
80,307 hours, 13,832 cycles
Engine
Pwa PW4060
Part
Light
Part number
418664
Part serial
04324
Condition
Intermittent
Location
Zone 200
Stage of operation
CL
How discovered
O
Nature of condition
B
Precautionary procedure
A

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

What was found

ELECTRICAL BURNING ODOR AROUND ROW 15C. RAN SMOKE FIRE FUMES CHECKLIST. ODOR PERSISTED. CONDITIONAL INSPECTION (EC0500-01055A) IAW 05-51-56/201 AND AMM 05-51-56-940-801-C1. LT & RT RECIRC FAN FILTERS REPLACED IAW AMM 21-25-02-004-001-002 & 21-25-02-404-008-002. ENGINE GROUND RUN, BOTH ENGINES, GROUND IDLE IAW AMM 72-00-00-712-021-N00. AMM 05-51-56-940-801-C1, D4 TO D20. NO BURNING ODOR OBSERVED. LIGHT AT SEAT 11-12 L FOUND TO BE FLICKERING. LIGHT REPLACED IAW CMM 33-20-51. OPS OF LIGHT FOUND TO BE SERVICEABLE.

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