Service difficulty report · Skin · Boeing 7377H4

Difficulty date
October 2, 2021
Submitted
November 18, 2021
Operation
Air carrier
Aircraft
N786SW
Make and model
Boeing 7377H4
Aircraft serial
29811
Aircraft time
68,452 hours, 40,246 cycles
Part
Skin
Condition
Cracked
Location
R/H Horiz. 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

RH HOR. STAB LE SKIN 341B RIB AT ABOUT LE STA 86 CRACKED ; / [01] REMOVED #2 RIB FROM RT HORIZONTAL STAB L/E PANEL AS PER B737-700 SRM 51-40-02-0G-0; [02] REMOVED RH HOR. STA LE SKIN 341B RIB AT ABOUT LE STA 86 AS PER B737-700 SRM 51-40-02-0G-0; [03] DRILLED NEW RIB AS PER B737-700 SRM 51-40-05-0G-0. FIG. 3; [04] VERIFIED STEPS 1. 2. AND 3. OK TO TREAT AND PRIME HOLES; [05] TREATED AND PRIMED HOLES AS PER B737-700 AMM 51-21-41-370-803 AND 51-21-72-370-804; [06] VERIFIED STEP 5; OK TO INSTALL NEW RIB; [07] INSTALLED RH HOR. STA LE SKIN 341B RIB AT ABOUT LE STA 86 AS PER B737-700 SRM 51-40-02-0G-0; [08] VERIFIED STEP 7. TASK COMPLETE.

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