Service difficulty report · Support Angle · Boeing 7378H4

Difficulty date
September 2, 2023
Submitted
October 13, 2023
Operation
Air carrier
Aircraft
N8311Q
Make and model
Boeing 7378H4
Aircraft serial
38808
Aircraft time
37,275 hours, 17,282 cycles
Part
Support Angle
Part number
UNKNOWN
Condition
Cracked
Location
Zn 200 Fus Top
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

CRACK ON SUPPORT ANGLE FLOOR STRUCTURE LOCATED BTW BS 380 TO BS 400 LBL 14 AT PASSENGER CABIN 2023-550045<[01] TOOLS USED: TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811020; DUE DATE: 25-JAN-24; TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811019; DUE DATE: 25-JAN-24.;[02] REPLACED SUPPORT ANGLE FLOOR STRUCTURE LOCATED BTW BS 380 TO BS 400 LBL 14 AT PASSENGER CABIN IAW B737-800 SRM 51-40-02 AND DWG 143A5400 SEET 140 REV - SEE INDIVIDUAL SIGN OFF BELOW;[03] STEP 2 CORRECTED <BR><BR>REPLACED SUPPORT ANGLE FLOOR STRUCTURE LOCATED BTW BS 380 TO BS 400 LBL 14 AT PASSENGER CABIN IAW B737-800 SRM 51-40-02 AND DWG 143A5400 SHEET 140 REV - SEE INDIVIDUAL SIGN OFF BELOW;[04] REPLACED SUPPORT ANGLE FLOOR STRUCTURE LOCATED BTW BS 380 TO BS 400 LBL 14 AT PASSENGER CABIN IAW B737-800 SRM 51-40-02 AND DWG 143A5400 SHEET 140 REV - SEE INDIVIDUAL SIGN OFF BELOW CERTIFIED RII

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