Service difficulty report · Doubler · Boeing 7377H4

Difficulty date
November 18, 2022
Submitted
November 22, 2022
Operation
Air carrier
Aircraft
N750SA
Make and model
Boeing 7377H4
Aircraft serial
29802
Aircraft time
79,398 hours, 46,883 cycles
Part
Doubler
Condition
Cracked
Location
Bs 235
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

POSSIBLE DAMAGE AT APPROX. BS 235 OF THE LOWER FORWARD CORNER OF THE EXT POWER DOOR CUT OUT AREA. SUSPECTED CRACK AND SEPARATION OF BONDED DOUBLER. REMOVED DAMAGED SURROUND DOUBLER IAW SRM 53-10-15-2R-4. HFEC SURFACE INSPECTION AROUND TRIM OUT PER NDTM PART 6; 51-00-00 PROCEDURE 23, NO DEFECT FOUND. FABRICATED, ALODINED, PRIMED, AND INSTALLED DOUBLER AND FILLER IAW SRM 51-10-15-2R-4.

More about the Boeing 737-7H4