# Service difficulty reports: N77542

A list on [N77542](https://openairdocs.org/aircraft/N77542.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

- [SDR CALA2026093020016](https://openairdocs.org/sdr/CALA2026093020016.md): Battery Pack · inoperative · Sep 27, 2026 · N77542 · Boeing 737824 · Emergency Lighting
  > EMERGENCY LIGHTS - OPERATIONAL CHECK EMERGENCY LIGHTS OPERATIONAL CHECK. SEAT 15C EMERGENCY AISLE RED AND WHITE LIGHTS INOP REMOVED AND REPLACED EMERGENCY BATTERY PACK IAW AMM 33-51-06. OPS CHECK GOOD.
- [SDR CALA2026090919317](https://openairdocs.org/sdr/CALA2026090919317.md): Fitting · cracked · Sep 4, 2026 · N77542 · Boeing 737824 · Nacelle/Pylon Miscellaneous Structure
  > FOUND CRACK WEB FITTING NR 2 PYLON AFT LOWER STRUT FAIRING AFT SUPPORT. R & R DISCREPANT TRAILING EDGE ASSY AT NR 2 PYLON AFT STRUT FAIRING IAW SRM 51-40-02-0G-0.
- [SDR CALA2026091719514](https://openairdocs.org/sdr/CALA2026091719514.md): Attach Angle · cracked · Aug 18, 2026 · N77542 · Boeing 737824 · Fuselage Main, Attach Fittings
  > CENTER SECTION LWR AFT ANGLE BS 663.75, RBL 7 CRACKED. REMOVED AND INSTALLED NEW VAPOR BARRIER UPPER ANGLE AT BS 663.75 FROM RBL 5 TO LBL 25 IAW SRM 51-40-05-0G-0, AND DWG 111A1000.
- [SDR CALA2026090219194](https://openairdocs.org/sdr/CALA2026090219194.md): Angle · cracked · Aug 18, 2026 · N77542 · Boeing 737824 · Fuselage Miscellaneous Structure
  > WING CENTER SECTION LOWER AFT ANGLE, BS 640, LBL 7 CRACKED. FABRICATED & INSTALLED VAPOR BARRIER ATTACH ANGLE REPAIR AT BS 663.75 FROM LBL 5 TO LBL 25 IAW SRM 57-10-10-2R-5. ACCOMPLISHED REPAIR AT WING CENTER SECTION LWR AFT VAPOR BARRIER ATTACH ANGLE BS
- [SDR CALA2026081818707](https://openairdocs.org/sdr/CALA2026081818707.md): Floorbeam · corroded · Aug 13, 2026 · N77542 · Boeing 737824 · Fuselage Main, Floor Beam
  > PASSENGER CABIN AFT WET AREA FLOOR STRUCTURE STA 947 LBL 50 BEAM FOUND WITH CORROSION UNDERNEATH FITTING REF AAR N/R 100057376 ACCOMPLISHED FLOORBEAM REPAIR AT AFT WET AREA STA 947.5, LBL 39.7 TO LBL 56 PER SRM 53-70-51-2R-5 AND ESR -WI: 1-15605. ACCOMPLISH
- [SDR CALA2026080518303](https://openairdocs.org/sdr/CALA2026080518303.md): Retainer · cracked · Aug 4, 2026 · N77542 · Boeing 737824 · Wing Main, Frame Structure
  > CRACKED LT WING T/E DEFLECTION CONTROL RIB FIXED PANEL LOWER HORIZONTAL BULB SEAL WEB RETAINER OTBD END. R & R THE RETAINER AT L/W T/E DEFLECTION CONTROL RIB FIXED PANEL LOWER HORIZONTAL IAW SRM 51-40-02-0G-0, AND DWG 115A2512.
- [SDR CALA2026080218188](https://openairdocs.org/sdr/CALA2026080218188.md): Angle · corroded · Jul 31, 2026 · N77542 · Boeing 737824 · Fuselage Miscellaneous Structure
  > PASSENGER CABIN AFT WET AREA FLOOR STRUCTURE BS 995 RBL 40 ANGLE FOUND CORRODED. REMOVED AND REPLACED MAIN CABIN AFT WET AREA ANGLE AT BS 995 IAW SRM 51-40-02-0G-0 AND DWG 147A5700.
- [SDR CALA2026031814656](https://openairdocs.org/sdr/CALA2026031814656.md): Hmu · faulted · Mar 15, 2026 · N77542 · Boeing 737824 · Fuel Controlling System
  > LEFT ENG EGT OVERTEMP DURING AIR RESTART. ENGINE EXCEEDANCES ON E1, PEAK: 795.5 AND RED: 725.0 0:15.6 SECONDS. PERFORMED HPT AND LPT STAGES 1-3 BOROSCOPE WITH NO LIMITING FINDINGS OBSERVERED. REMOVED NR 1 ENGINE HMU IAW AMM 73-21-10/401. IAW FIM TASK 80-05-8
- [SDR CALA2026031014458](https://openairdocs.org/sdr/CALA2026031014458.md): Unknown · odor · Mar 9, 2026 · N77542 · Boeing 737824 · Air Distribution System
  > LEFT PACK EMITS BAD ODOR ON TAKEOFF. CYCLED LEFT PACK AND RIGHT SEPERATELY ON AUTO AND HIGH FROM COLD TO HOT IAW AMM 21-00-00-800-803. NO ODOR DETECTED IN FLIGHT DECK NOR CABIN. SUSPECT ODOR DISSIPATED. OKAY TO COMTINUE AT THIS TIME.
- [SDR CALA2026012613304](https://openairdocs.org/sdr/CALA2026012613304.md): Handle · not seated · Jan 26, 2026 · N77542 · Boeing 737824 · Door Warning System
  > DOOR WARNING ANNUNCIATOR IS ON FWD ENTRY FWD ENTRY LIGHT ON LDG FA JIGGLED HANDLE TO RESET ON GND. LIGHT WENT OUT, CHECKED FWD LEFT ENTRY DOOR INDICATION, NO ISSUES FOUND. NO RECENT HISTORY, OPS CHECK GOOD.
- [SDR CALA2025092309165](https://openairdocs.org/sdr/CALA2025092309165.md): Power Supply · damaged · Sep 21, 2025 · N77542 · Boeing 737824 · Emergency Lighting
  > FIRST SEVEN ROWS OF EMERGENCY LIGHTS ARE ILLUMINATED. FOUND TEST BUTTON BROKEN OFF OF POWER SUPPLY M2335. REPLACED POWER SUPPLY IAW AMM 33-51-06. OPS CHKD OK IAW SRM 33-51-21-115 BATTERY WAS ALSO REPLACED WITH POWER SUPPLY.
- [SDR CALA2025092209080](https://openairdocs.org/sdr/CALA2025092209080.md): Light · malfunctioned · Sep 20, 2025 · N77542 · Boeing 737824 · Emergency Lighting
  > DURING DESCENT BELOW 10K, EMERGENCY EXIT LIGHTS AT ROW 3 AND ROW AHEAD O F WING EXITS ILLUM 5 TIMES. PERFORMED OPERATIONAL CHECK OF EMERGENCY LIGHTS REF AMM 33-51-00. UNABLE TO DUPLICATE FAULT. OPS CHECKS GOOD.
- [SDR CALA2025092209074](https://openairdocs.org/sdr/CALA2025092209074.md): Battery Pack · inoperative · Sep 18, 2025 · N77542 · Boeing 737824 · Emergency Lighting
  > EMERGENCY LIGHTS ON SEATS 7-14 INOPERATIVE. REMOVED & REPLACED BATTERY PACK FOR SECTION, ALL LIGHTS OPERATIVE IAW AMM 33-51-06-960-805.
- [SDR CALA2025071406508](https://openairdocs.org/sdr/CALA2025071406508.md): Wire · broken · Jul 12, 2025 · N77542 · Boeing 737824 · Light System Wiring
  > EMERGENCY LIGHTING SYSTEM OPERATIONAL CHECK. EMERGENCY LIGHT AT SEAT 26C INOP. WIRES DISCONNECTED CAPPED BROKEN WIRES AND SECURED IN RACEWAY UNDER SEATS 26AB. HARNESS P/N IS BR9635-120-24 M&E 29-3350-3-0010 PER CONFIG DWG 3350DD14743. NIS AT CLE. PAR# 29-335
- [SDR CALA2025051904790](https://openairdocs.org/sdr/CALA2025051904790.md): Cabin Pressure · malfunctioned · May 18, 2025 · N77542 · Boeing 737824 · Cabin Pressure Control System
  > A/C HAD RAPID DECOMPRESSION EVENT AT APROX 30,000 FT PER TOMC REQUEST, PERFORMED AMM TASK 05-51-81-210-801, CABIN DEPRESS CONDITIONAL INSPECTION: FWD AND AFT CARGO COMPARTMENTS, NO DAMAGE NOTED, PANELS AND SEALS ALL NORMAL. OUTFLOW VALVE, NO DEFECTS AND NORM
- [SDR CALA2025051904788](https://openairdocs.org/sdr/CALA2025051904788.md): A/C Pack · faulted · May 17, 2025 · N77542 · Boeing 737824 · Cabin Cooling System
  > RT PACK LIGHT COMES ON DURING MASTER CAUTION RECALL RIGHT PACK LIGHT PER PILOTS, AT TOP OF DECENT RT PACK LIGHT CAME ON DURRING MASTER CAUTION RECALL, ARRWMPTED RESET NO HELP, FOLLOWED PROCEDURE TO MANUALLY OPERATE CABIN PRESSURE. A/C DEPRESSURIZED AND MASKS D
- [SDR CALA2025031402810](https://openairdocs.org/sdr/CALA2025031402810.md): Valve · faulted · Mar 14, 2025 · N77542 · Boeing 737824 · Cabin Cooling System
  > RT PACK LIGHT COMES ON DURING MASTER CAUTION RECALL R PACK LIGHT ON WITH PACK OFF PACK TEMP SHOWS 60C ON TEMP GUAG E BITE TEST ON RIGHT PACK CONTROLLER NO FAULTS,GROUND TEST PASS,TASK21-61-00-700-806-002. FOLLOWED FIM TASK 21-62 TASK 849, FOUND STANDBY TEMP
- [SDR CALA2025031402805](https://openairdocs.org/sdr/CALA2025031402805.md): Hose · leaking · Mar 14, 2025 · N77542 · Boeing 737824 · Hydraulic System, Auxiliary
  > ELEC 1 LOW PRESSURE LIGHT LIGHT ON B SYSTEM HYDRAULIC RESERVOIR PARTIALLY DRAINED. SEE LOG PAGE 4146463 FOR HYDRAULIC FLUID REPLENISH. REPLACED B SYS. HYD PUMP SEE L/P 4146406, REPLACED HYD LINE AND COUPLER SEE L/P 4146345, 4146295. REPLACED SYS B HYD LOW PRES
- [SDR CALA2025021002252](https://openairdocs.org/sdr/CALA2025021002252.md): Flap System · faulted · Feb 6, 2025 · N77542 · Boeing 737824 · Trailing Edge Flap Control System
  > FLAPL FAILED TO EXTEND PAST 9 DEGREES COMLETED QRH FLAPS OPERATE D NORMA LY NO HISTORY OF FLAP FAULTS ON ELB, CHECKED FSEU, NO CURRENT FAULTS, FAULT HISTORY, ONLY FAULT FOUND ON LEG 141, INTERMITTENT AND INACTIVE. FLAP OPS CHECK GOOD, NO NEW FAULTS ON FSEU AF
- [SDR CALA2024080600375](https://openairdocs.org/sdr/CALA2024080600375.md): Aoa · faulty · Aug 3, 2024 · N77542 · Boeing 737824 · Stall Warning System
  > IAS DISAGREE MESSAGE SHOWS ON AIRPSEED DISPLAY CAPTAIN'S IAS DISAGREE CAME ON AT TOPOF DESCENTFL370 CHECKLIST RAN FO SIDE RELIABLE CAPT SIDE BAD. REPLACED CAPT AOA SENSOR PER MM 34-21-05-401, OPS CK OK PER MM 34-21-05-501 AND REPLACED CAPT PITOT ADM PER MM
- [SDR CALA2023090402688](https://openairdocs.org/sdr/CALA2023090402688.md): Battery Pack · inoperative · Aug 31, 2023 · N77542 · Boeing 737824 · Emergency Lighting
  > PASSENGER CABIN, EMERGENCY LIGHTS BATTERY PACK M1695 FAILS OP CHECK.(REF NR 99980799). REPLACED BATTERY PACK M1695 AND EMER AIZLE LIGHT ON SEAL 20RH IAW B737 AMM 33-51-06-960-805 AND 33-51-03-960-805. TEST GOOD (WORK ACCOMPLISHED BY V937427 AND AAR QC V935838)
- [SDR CALA2023090402686](https://openairdocs.org/sdr/CALA2023090402686.md): Battery Pack · discharged · Aug 31, 2023 · N77542 · Boeing 737824 · Emergency Lighting
  > CABIN PASSENGER, EMERGENCY LIGHTS BATTERY PACK M1673 CAPACITY CHECK FAILS.(REF AAR NR 99980530). REMOVED AND INSTALLED NEW EMERGENCY LIGHTS BATTERY PACK M1673 AND PERFORMED TEST. TEST GOOD ALL IAW B737 AMM 33-51-06-960-805 (WORK ACCOMPLISHED BY V943499 AND AAR
- [SDR CALA2023090402687](https://openairdocs.org/sdr/CALA2023090402687.md): Battery Pack · inoperative · Aug 30, 2023 · N77542 · Boeing 737824 · Emergency Lighting
  > PASSENGER CABIN, EMERGENCY LIGHTS BATTERY PACK M2816 FAILS OP CH ECK.(REF NR 99980822). REPLACED EMERGENCY LIGHT BATTERY PACK M2816 IAW B737 AMM 33-51-0 6-960-805. TEST GOOD (WORK ACCOMPLIHSED BY V937427 AND AAR QC V918832).
- [SDR CALA2023090402685](https://openairdocs.org/sdr/CALA2023090402685.md): Battery Pack · failed · Aug 29, 2023 · N77542 · Boeing 737824 · Emergency Lighting
  > CABIN PASSENGER, EMERGENCY LIGHTS BATTERY PACK M1676 CAPACITY CHECK FAILS(REF AAR NR 99980526), REMOVED AND INSTALLED NEW EMERGENCY LIGHTS BATTERY PACK M1676 IAW B737 AMM 33-51-06-960-805. CHECK GOOD (WORK ACCOMPLISHED BY V936915 AND AAR QC V911027).
- [SDR CALA2023090402684](https://openairdocs.org/sdr/CALA2023090402684.md): Battery Pack · failed · Aug 29, 2023 · N77542 · Boeing 737824 · Emergency Lighting
  > PASSENGER CABIN, EMERGENCY LIGHTS BATTERY PACK M1694 FAILS OP CHECK ( REF AAR NR 99980798). REMOVED AND INSTALLED NEW EMERGENCY LIGHTS VATTERY PACK M1694 AND PERFORMED TEST. TEST GOOD ALL IAW B737 AMM 33-51-06-960-805 (WORK ACCOMPLSIHED BY V943499 AND AAR QC V
- [SDR CALA2023081802558](https://openairdocs.org/sdr/CALA2023081802558.md): Battery Pack · discharged · Aug 15, 2023 · N77542 · Boeing 737824 · Emergency Lighting
  > CABIN PASSENGER EMERGENCY LIGHTS BATTERY PACK M1675 CAPACITY CHE KS FAILS.(REF AAR NR 99980525).REMOVED AND REPLACED NEW EMERGENCY LIGHT BATTERY PACK M1675 IAW B737 AMM 33-51-06-960-805, TEST GOOD (WORK ACCOMPLIHSED BY V934987 AND AAR QC V935540).
- [SDR CALA2023081802557](https://openairdocs.org/sdr/CALA2023081802557.md): Battery Pack · discharged · Aug 15, 2023 · N77542 · Boeing 737824 · Emergency Lighting
  > CABIN PASSENGER,EMERGENCY LIGHTS BATERY PACK M1676 CAPACITY CHEC KS FAILS.(REF AAR NR 99980527). REMOVED AND INSTALLED NEW BATTERY PACK M1676 IAW B737 AMM 33-51-06-960-805 TEST GOOD (WORK ACCOMPLISHED BY V936333 AND AAR QC V935540).
- [SDR CALA2023081802556](https://openairdocs.org/sdr/CALA2023081802556.md): Battery Pack · discharged · Aug 15, 2023 · N77542 · Boeing 737824 · Emergency Lighting
  > CABIN PASSENGER, EMERGENCY LIGHTS BATTERY PACK M1672 CAPACITY CH ECK FAILS.(REF AAR NR 99980529). REMOVED AND REPLACED BATTERY PACK M1672 OPS CHECK GOOD IAW B737 AMM 33-51-06-960-805 (WORK ACCOMPLISHED BY V936333 AND AAR QC V935540).
- [SDR CALA2023081802554](https://openairdocs.org/sdr/CALA2023081802554.md): Battery Pack · discharged · Aug 15, 2023 · N77542 · Boeing 737824 · Emergency Lighting
  > CABIN PASSENGER,EMERGENCY LIGHTS BATTERY PACK M1671 CAPACITY CHE CKS FAILS.(REF AAR NR 99980528).REMOVED AND REPLACED NEW EMERGENCY LIGHT BATTERY PACK M1671 IAW B737 AMM 33-51-06-960-805. TEST GOOD (WORK ACCOMPLIHSED BY V934987 AND AAR QC V935540).
- [SDR CALA2020080901087](https://openairdocs.org/sdr/CALA2020080901087.md): Fmc · inoperative · Aug 3, 2020 · N77542 · Boeing 737824 · Flight Management Computing Hardware System
  > CDU SINGLE FMC OPERATION MESSAGE SHOWS SINGLE FMC ON F/O SIDE, VERBAL FROM FLIGHT CREW STATING FMC 2 C/B TRIPPED, REPLACED FMC 2 IAW MMSG 22-11822 FIM TASK TASK 22-11-00-810-811, FLIGHT MANAGEMENT COMPUTER & AMM TASK 34-61-02-400-801 FMCS COMPUTER INSTALLATI
- [SDR CALA2017121704496](https://openairdocs.org/sdr/CALA2017121704496.md): Lens · missing · Dec 17, 2017 · N77542 · Boeing 737800* · Emergency Lighting
  > LIGHT ABOVE OVERHEAD BIN ROW 34ABC IS INOPERATIVE. REPLACED MISSING LENS COVER ON EMER. LT AT 34ABC O/H BIN. LIGHT OPS CHECKED NORMAL.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE n_number = 'N77542' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N77542/reports

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