Service difficulty report · Skin · Boeing 7377H4

Difficulty date
May 26, 2022
Submitted
June 16, 2022
Operation
Air carrier
Aircraft
N253WN
Make and model
Boeing 7377H4
Aircraft serial
32511
Aircraft time
53,013 hours, 31,527 cycles
Part
Skin
Condition
Cracked
Location
Lh Hor Stab
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 FOUND AT LEFT HAND HORIZONTAL STABILIZER LOWER SKIN STAB STA 193.90; 17' FROM FRONT SPAR; I/B ROW. CRACK LENGTH : 0.843' CRACK FOUND AT LEFT HAND HORIONTAL STABILIER LOWER SKIN STAB STA 193.90 17' FROM FRONT SPAR I/B ROW. CRACK LENGTH : 0.843' / TRIMMED OUT DAMAGED AREA AT LT HORIZ STAB LOWER SKIN STA 193.90 REF B737-700 SRM 51-10-02-0G-0 AND 55-10-01-2R-11 FIG 204.OK TO INSTALL REPAIR PARTS;[18] MIXED BMS 5-95 SEALANT AT 07.30 AM 06-9-22 SQUEEZE OUT TIME BY 09-30 AM 06-9-22.;[19] INSTALLED REPAIR PARTS; DOUBLER AND FILLER AT LT HORIZ STAB LOWER SKIN STA 193.90 REF B737-700 SRM 55-10-01-2R-11 FIG 204.;[20] VERIFIED STEPS 18 AND 19.;[21] OK TO TOP COAT;[22] APPLIED TOP COAT AT LT HORIZ STAB LOWER SKIN REPAIR AREA REF B737-700 AMM 51-21-73-370-803.;[23] VERIFIED STEP 22;[24] ACCOMPLISHED REPAIR AT LT HORZ. STAB. LOWER SKIN STA. 193.3; 17' FROM FRONT SPAR; AS PER B737-7 SRM 55-10-01-2R-11 REPAIR 11; FIG.204.;

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