Service difficulty report · Antenna · Boeing 737924ER

Difficulty date
March 17, 2024
Submitted
March 21, 2024
Operation
Air carrier
Aircraft
N68821
Make and model
Boeing 737924ER
Aircraft serial
43535
Aircraft time
32,094 hours, 11,730 cycles
Part
Antenna
Part number
DMN231C
Part serial
8848
Condition
Damaged
Location
Vert Stab Vor
Part time
32,064 hours, 11,721 cycles
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

TOP OF VERTICAL STAB DAMAGED. PERORMED STEPS 1 AND 2 OF AVO12217, REFERENCE AMM 55-33-21-000-801 FOR STEP 2. C/W HFEC REF NDT PART 6-51-00-00 PREC 16 AND PROC 23 IAW AVO 12217 STEPS 3 AND 4, NO CRACKS DETECTED. COMPLIED WITH STEP 5 OF AVO12217 IAW AMM 55-33-21-400-801. PERFORMED OPS CHECK OF THE RUDDER (STEP 6 OF AVO12217) IAW AMM 27-21-00-700-817-002. NO DEFECTS DISCOVERED AFTER ACCOMPLISHING STEP 1 AND 2 OF AVO1227 ON RUDDER OR STRUCTURE UNDERNEATH THE CAP ASSEMBLY. ACPD STEP 7 OF AVO 12217, OPER CK OF LOCALIZER ANTENNA GOOD IAW AMM 34-51-02/401, THIS COMPLETES AVO INSPECTION. ALL WORK ACCOMPLISHED IN C/W EC/RA # 5530-02002.