Service difficulty report · Pitot Tube · Boeing 7378

Difficulty date
April 27, 2025
Submitted
April 30, 2025
Operation
Air carrier
Aircraft
N37354
Make and model
Boeing 7378
Aircraft serial
67616
Aircraft time
2,547 hours, 878 cycles
Part
Pitot Tube
Part number
0851HT1
Part serial
347205
Condition
Faulted
Location
Zone 100
Part time
26,138 hours, 9,676 cycles
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

FEEL DIFF PRESS LIGHT ILLUMINATED AFTER TAKEOFF INSP A/C FOUND NO FAULTS LOGGED. REF FIM 27-31 TASK 803 ACCOMPLISHED FIM TO PARA C STEP 1. REF AMM 27-31-00-700-812 FEEL DIFFERENCIAL PRESSURE LIGHT TEST, TEST PASSED. NEED TO CONTINUE FIM 27-31 TASK 803 WITH PARA C STEP 2. PERFORMED RH ELEVATOR PITOT REMOVED DUE TO BLOCKAGE REF APPLICABLE STEPS AMM 27-31-67- TEST SET HOSES INSTALLED, DRAINS REMOVED FROM ELEVATOR FEEL COMPUTER LINES. PLUGS INSTALLED ON DIAPHRAGHM FITTINGS AND LINES. PERFORMED ELEV PITOT LEAK CHECK, LEAK CHECK PASSED RR RH ELEVATOR PITOT PROBE REF AMM 27-31-94 REQUIRES OPS CKS. RH ELEV. PITOT OPS CHECKS GOOD.

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