Service difficulty report · Proximity Sensor · Boeing 757232

Difficulty date
January 10, 2025
Submitted
January 13, 2025
Operation
Air carrier
Aircraft
N694DL
Make and model
Boeing 757232
Aircraft serial
29726
Aircraft time
83,305 hours, 32,701 cycles
Part
Proximity Sensor
Condition
No Test
Location
Zone 800
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

SHIP 694 IN REFERENCE TO RC 5271-2001: DURING PROXIMITY SENSOR HEALTH CHECK WERE FOUND S10072, S10057, S10377, S10375, S10376, S10378 AND S10434 SENSORS OUT OF LIMITS. CORRECTIVE ACTION: SUMMARY OF NRC 00070: SENSOR (S10072 ) RIGHT GEAR DOOR CLOSED AND SENSOR (S10057) SYS 1 R GEAR DN AND LOCKED WERE REPLACED PER B757-200 AMM 32-61-02, LEFT FWD OVERWING EMERGENCY EXIT HATCH SENSOR (S10375), LEFT AFT OVERWING EMERGENCY EXIT HATCH SENSOR ( S10376), RIGHT AFT OVERWING EMERGENCY EXIT HATCH SENSOR (S10378) , RIGHT FWD OVERWING EMERGENCY EXIT HATCH SENSOR (S10377), WERE REPLACED PER B757-200 SRM-51-40-02-0G PARAGRAPH 9.B. AND SWPM 20-10-13 PARAGRAPH 1 ADJUSTMENT OF THE SENSORS FOR THE OVERWING EMERGENCY EXIT HATCH SENSOR LH (S10375), (S10376) AND RH (S10378), (S10377) WAS PERFORMED PER B757-200 AMM 52-71-00. TEST OK, RIGHT SLEEVE STOWED PROX SENSOR SWITCH (S10434) WAS REPLACED PER B757-200 AMM 78-36-01, PROXIMITY SWITCH ELECTRONICS UNIT WAS REPLACED PER B757-200 AMM 32-09-04, SATISFACTORY TEST