SDR DALA2017042503374

Service difficulty report · Switch · Doug MD88

Difficulty date: April 24, 2017
Submitted: April 25, 2017
Operation: Air carrier
Aircraft: N909DE
Make and model: Doug MD88
Aircraft serial: 53418
Aircraft time: 60,873 hours, 47,366 cycles
System (JASC): 5397 · Fuselage Main, Bulkhead Fuselage wiring
Part: Switch
Condition: No Test
Location: Tailcone
Stage of operation: IN
How discovered: 9
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

DURING TAIL CONE RELEASE FUNCTIONAL CHECK, TAIL CONE UNSAFE MESSAGE NOT FUNCTIONAL. HAD NO MESSAGE FROM UPPER SWITCH AND CONTINUES MESSAGE FROM LOWER SWITCH. FOUND BROKEN GROUND WIRE, REPAIRED WIRE IAW WDM 52-73-11. NEW SWITCH WAS INSTALLED ON LOWER BRACKET. OPS TESTED BOTH SWITCHES .

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