SDR CALA2025053005134

Service difficulty report · Proximity Sensor · Boeing 7378

Difficulty date: May 27, 2025
Submitted: May 30, 2025
Operation: Air carrier
Aircraft: N27270
Make and model: Boeing 7378
Aircraft serial: 67525
Aircraft time: 9,620 hours, 3,358 cycles
System (JASC): 2781 · Leading Edge Slat Position Indicating System
Part: Proximity Sensor
Part number: 8020702
Condition: Faulted
Location: Le Flaps
Stage of operation: NR
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

LE FLAPS TRANSIT LIGHT ILLUMINATED WITH FLAPS 30 SELECTED. SLAT 6 PERFORMED FIM 27-81 TASK 816, DURING SLAT SYSTEM OP TEST FAULT MESSAGE 27-81210 POPPED AGAIN. REPLACED SLAT 6 OUTBOARD SENSOR (S1004). OP CHECKS GOOD, COULD NOT DUPLICATE FAULT. REFERENCE AMM 27-88-11.

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