Service difficulty report · Support · Boeing 73776N

Difficulty date
July 15, 2021
Submitted
August 10, 2021
Operation
Air carrier
Aircraft
N7723E
Make and model
Boeing 73776N
Aircraft serial
32670
Aircraft time
48,099 hours, 24,239 cycles
Part
Support
Condition
Corroded
Location
Bs 500c
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 FWD CARGO BAY FLOOR TO SIDEWALL SUPPORT AT BS500C+12 TO 500C+14 LBL 24 WL 156 ; / [01] REMOVED CORROSION ON FLOOR TO SIDEWALL SUPPORT AT BS 500C+12'; LBL24; WL 156 PER SRM51-10-02-0G-0 MEASURE L=1.5'X W=1'X D=0.010' MAX. MAT LOSS IS 0.010'; REMAINING THICKNESS IS 0.030'; ORIGINAL THICKNESS IS 0.040' (BAC1496-444) FOUND TO BE OUT OF LIMITS; REWORKED AREA PER B737-700 SRM53-00-53-1A-2; ALLOWABLE DAMAGE PARAG. 4.A (2) DETAIL (E) FIG 103.- MICROMETER;S/N 65092939 DUE 03/2022. THIS DISCREPANCY WILL ACCOMPLISHED ON CARD TTG8Q005TGWB; [02] VERIFIED THIS DISCREPANCY WILL ACCOMPLISHED ON CARD TTG8Q005TGWB

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