# SDR SWAA2022061606888

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 11, 2022
- Submitted: June 16, 2022
- Operation: Air carrier
- Aircraft: [N7876A](https://openairdocs.org/aircraft/N7876A), registered now
- Make and model: Boeing 737-7Q8
- Registry model: [Boeing 737-7Q8](https://openairdocs.org/model/boeing-737-7q8) (OpenAirDocs)
- Aircraft serial: 29355
- Aircraft time: 50,771 hours, 27,451 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Stiffener
- Condition: Cracked
- Location: Lh Hor Stab
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2022061606888

## Discrepancy

LEFT HAND HORIZONTAL STABILIZER INSPAR RIB; AT STABILIZER STATION 129.50; 3RD VERTICAL STIFFENER IS CRACKED. / [01] REMOVED DAMAGED PART FROM 3RD VERTICAL STIFFENER AND WEB IAW SRM 55-10-09-2R-4; STEP 4.B. FABRICATED REPAIR PARTS (1) T-SECTION FROM 60-5872 7075 T76511 LOT#1449876-1 (2) ANGLE FROM BAC 1490-2793 7075 T62 CLAD LOT# 1442205-1 (3) SHIM FROM 7075 T6 0.020' CLAD LOT# 1381332-1; APPLIED CHEMICAL CONVERSION COATING IAW SRM 55-10-09-2R-4 OK TO PRIME.; PRIMED LH RIB REPAIR PARTS (1) T-SECTION; (2) ANGLE ; (3) SHIMS AND STRUCTURE WITHIN THE REPAIR AREA IAW SOPM 20-41-02 AND SRM 55-10-09-2R-4 REPAIR 4. <BR><BR>OK TO INSTALL.;[08] VERIFIED CORRECTIVE ACTION ENTRY 7. OK TO INSTALL GIVEN.;[09] VERIFIED SRM 55-10-09-2R-4 REPAIR 4 IS APPLICABLE FOR THIS AIRCRAFT;[10] INSTALLED LEFT HAND HORIZONTAL STABILIZER INSPAR RIB REPAIR PARTS (1) T-SECTION; (2) ANGLE ; (3) SHIMS ; AT STABILIZER STATION 120.30; 4TH VERTICAL STIFFENER IAW SRM 55-10-09-2R-4 REPAIR 4.<BR><BR>APPLIED FILLET SEAL TO THE REPAIR PARTS WITH BMS 5-95 SEALANT IAW SRM 51-20-05.;[11] INSTALLED LEFT HAND HORIZONTAL STABILIZER INSPAR RIB REPAIR PARTS (1) T-SECTION; (2) ANGLE ; (3) SHIMS ; AT STABILIZER STATION 129.50; 3RD VERTICAL STIFFENER IAW SRM 55-10-09-2R-4 REPAIR 4.<BR><BR>APPLIED FILLET SEAL TO THE REPAIR PARTS WITH BMS 5-95 SEALANT IAW SRM 51-20-05.;[12] CORRECTED STAB STA 129.50 AND 3RD VERTICAL STIFFENER

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