Service difficulty report · Support Angle · Boeing 7378

Difficulty date
November 8, 2023
Submitted
November 28, 2023
Operation
Air carrier
Aircraft
N8704Q
Make and model
Boeing 7378
Aircraft serial
36988
Aircraft time
12,980 hours, 5,976 cycles
Part
Support Angle
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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

CORROSION ON FCB AFT BHD LH LOWER SUPPORT ANGLE AT BS 500H+21; WL 156; LBL 24.5<[01] REMOVED AND REPLACED NEW FCB AFT BULKHEAD LH SUPPORT ANGLE BS 500H BETWEEN STR 21L TO STR 25L IAW SRM 51-40-02 AND DWG 143A7902;[02] REMOVED AND REPLACED NEW FCB AFT BULKHEAD LH SUPPORT ANGLE BS 500H BETWEEN STR 21L TO STR 25L IAW SRM 51-40-02 AND DWG 143A7902; DWG 143A9481;[03] VERIFIED STEP 3 COMPLETE.;[04] VERIFIED ALL STEPS COMPLETE; MEASUREMENT TABLE; CARD COMPLETE.

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